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Our Team

Cartesian has over 150 staff across its offices in Europe and the US. Our team includes strategy analysts, data scientists, program managers, and engineers. Together, we solve some of the most difficult issues for our clients in the TMT sector.
Here you can meet some of our team. Get in touch to learn more.
  • Oliver Axbey

    Senior Analyst

  • Clementine Mamba

    Consultant

  • Tim MacDonald

    Vice President

  • Seni Akinduro

    Consultant

  • Simon Evans

    Principal

  • Ariana Moran

    Consultant

  • Philip Hobson

    Principal Consultant

  • Chris Churm

    Principal Consultant

  • Megan Corriveau

    Consultant

  • Sophia Gottlieb

    Senior Analyst

  • Mattia Janigro

    Manager

  • James MacEwan

    Principal Consultant

  • Jayesh Varsani

    Analyst

  • Mark Markowitz

    Vice President

  • Shikha Tiwari

    Senior Consultant

  • Michael Dargue

    Vice President

  • Samuel Kornstein, CFA

    Vice President

  • Alan Schuh

    Senior Analyst

  • Jim Serafin

    CEO

  • Graham Harvey

    Wi-Fi / Implementation

  • Neal Paye

    Vice President

  • Adam Beresford

    Senior Consultant

  • Rupali Shenoy

    Analyst

  • Jay Kearns

    Consultant

  • Ron Angner

    Senior Vice President

  • Mei Lam

    Security Assurance

  • Patrik Farkas

    Senior Consultant

  • Diksha Singh

    Consultant

  • Vito Morawetz

    Vice President

  • Leah Fawzi

    Analyst

  • Julia Emery

    Analyst

  • Lauren Sheppard

    Consultant

  • Chris Quintin

    Managing Director, EMEA

  • John Jonsson

    Analyst

  • Rohan Prabhakar

    Analyst

  • Peter Esdaile

    Senior Consultant

  • Peeyush Rajabhoj

    Consultant

  • Don Zurawski

    Vice President

  • Tianhe Xie

    Consultant

  • Giancarlo Ciraci

    Consultant

  • Rishi Modha

    Principal

  • Damien Lee

    Data Analyst

  • Aisha Ahmed

    Consultant

  • Martin Beattie

    Senior Consultant

  • Scott Appleton

    Principal

  • Olivier Gobilliard

    Software Development Manager

  • Alistair Crook

    Vice President

  • Jenna Wagner

    Senior Data Analyst

  • Joanna Cline

    Vice President, HR

  • Emma Rons

    Consultant

  • Roger Peden

    VP, Technology Delivery

  • Akhil Sontakke

    Consultant

  • Stefano Pedrazzi

    Senior Analyst

  • Kabir Khanna

    Analyst

  • Mel Giles

    Senior Consultant

  • Sheenam Hayer

    Senior Consultant

  • Emily Pattison

    Analyst

  • Alex McGlue

    Consultant

  • Theresa Bender

    Consultant

  • Lionel Tranchard

    Content Security & Tech. Consulting

  • Adam Dadvar

    Consultant

  • Madeleine Abdoh

    Vice President, People & Operations

  • Tom Melluish

    Senior Consultant

  • Brad Hoffman

    Consultant

  • Pratik Bose

    Consultant

  • Dale Reynolds

    Vice President

  • Peter Litsky

    Senior Analyst

  • Abe Westbrook

    Consultant

  • Fara Razally

    WiFi Test Consultant

  • Steve Hentzen

    Technical Business Analyst

  • Craig Sambridge

    VP, Technology Engineering

  • Jon Scrutton

    Manager, HR

  • David Davies

    Vice President

  • Redouane Ali

    Principal Consultant

  • Ceri James

    Consultant

  • Andy Welch

    Vice President

  • Fred Brusseau

    Graphics Manager

Oliver Axbey

Senior Analyst

Clementine Mamba

Consultant

Tim MacDonald

Vice President

Tim is Vice President, Business Development for Cartesian working across the Management Consulting and Strategy & Analytics practices. He has over 30 years’ experience in the telecommunications industry where he has worked in sales, marketing and product management. Most of his sales career has been focused on delivering solutions in the enterprise business space. Tim’s product management experiences have focused on creating bundled service offers and platform transformation.

He received his MBA from UCLA’s Anderson Graduate School of Management and his BA in Economics from UCLA.

Seni Akinduro

Consultant

Simon Evans

Principal

Simon is a Principal in Cartesian’s London office and is responsible for leading strategy engagements. He has extensive experience working with service providers and network operators on a range of initiatives, from growth strategy to data governance.

His project expertise includes:

  • Growth/Expansion Strategy
  • Network Economics
  • Competitive Analysis
  • Procurement & Regulatory Support
  • Data Analysis & Visualisation
  • Market Research
  • Commercial Due Diligence
  • Telecom Processes

Simon received a BSc in International Management from the University of Warwick.

Ariana Moran

Consultant

I was excited to join Cartesian, to work with a team of insightful, supportive professionals to build tailored, innovative solutions for our clients and the future of their businesses.

Philip Hobson

Principal Consultant

Chris Churm

Principal Consultant

Megan Corriveau

Consultant

Sophia Gottlieb

Senior Analyst

Mattia Janigro

Manager

Cartesian puts you in a position to stretch yourself without putting you on an island. I’m exposed to tremendous opportunity for personal achievement and recognition, but I know I’m never alone.

James MacEwan

Principal Consultant

Jayesh Varsani

Analyst

Mark Markowitz

Vice President

Mark is responsible for business development efforts in the Tier 1 telecommunications carrier industry and brings over twenty-five years of experience in IT and consulting to Cartesian.

Prior to joining Cartesian, Mark founded RVA in 2005, which sold more than $29 million in consulting services during the first two years, after which it was acquired by Cartesian. Prior to creating RVA, Mark held several executive positions including Executive Vice President and founder of SBI, President of Emerald Solutions, and Chief Information Officer at EDS, where Mark was responsible for multiple outsourcing projects for large clients. Also, at Claremont Technologies, he was the key executive responsible for taking the company public.

Mark received his Bachelor of Science degree from SUNY and Master of Arts degree from American University. He has also served as the Chairman of Computer Science at Washington International College and taught at American University. Mark is the Chairman of the Yogi Berra Museum & Learning Center in Little Falls, NJ and on the Advisory Board of the Somerset Patriots in Bridgewater, NJ. Along with supporting many charities, Mark is involved with the Joe Torre Safe At Home Foundation.

Shikha Tiwari

Senior Consultant

Michael Dargue

Vice President

Michael leads strategy and regulatory engagements for service providers, network operators, equipment vendors, investors, and regulatory authorities.

He has over 30 years of experience in the telecoms sector including 12 years in industry. Specific areas of expertise include fibre broadband, fixed-mobile convergence, enterprise services, network technology, and telecoms sector regulation. Michael has advised clients on opportunity sizing, entry option analysis, proposition development, and go-to-market planning.

Examples of Michael’s client work include:

  • Researching buyer attitudes and drivers in the enterprise market
  • Undertaking market analysis and competitor benchmarking
  • Rationalising products and pricing for an international service provider
  • Preparing business cases for commercial and state-funded fibre networks
  • Leading technical and commercial due diligence for rural and metro fibre networks
  • Developing BU-LRIC cost models for setting charge controls on fixed and mobile networks

Prior to Cartesian, Michael led an international team at Colt Telecom with responsibility for network strategy, network planning, and product development. He received his Bachelor of Engineering degree from the University of Bristol and is a Chartered Engineer and Member of the IET.

Samuel Kornstein, CFA

Vice President

Sam is a Vice President of Strategy & Analytics in Cartesian’s Boston office, with responsibilities for client development and engagement management. He is a Chartered Financial Analyst.

He brings nearly ten years of experience advising clients on a broad range of strategic initiatives. He has worked with clients on topics including corporate strategy, product strategy, growth strategy, market analysis, data analysis and visualization, and predictive analytics.

Sam’s project expertise includes:

  • Customer data analytics and customer lifecycle management programs
  • Market strategy development and assessment
  • Growth opportunity identification and operationalization
  • Big data and analytics management
  • Video and content-delivery business models
  • Network investment strategy and cost modelling
  • Regulatory policy assessment and development

Sam received his MBA from the MIT Sloan School of Management and his Bachelor of Science degree with Honors from the Boston University School of Management.
Contact Sam via the email below or at +1 617 999-1121

Alan Schuh

Senior Analyst

My favorite part about Cartesian is the emphasis on growth. The team has prioritized my professional development through a built in mentorship program, and by providing opportunities for me to exercise skills from data analysis to policy research. As my first post college job, I could not be happier about both the work and culture!

Jim Serafin

CEO

Jim is responsible for operational oversight across all divisions of Cartesian. He also directly leads all North American operations.

Jim’s information technology services career began in the 1980’s as a senior technology engineer at EDS, servicing large systems development efforts at large telecom clients. After spending 9 years progressing from senior technology leadership into account executive leadership at EDS, Jim founded the technology services firm Emerald Solutions in 1997 and grew it to over 100 employees in 3 years before selling the business (2001) to the private equity backed technology firm SBI Holdings, Inc. He integrated the firm into SBI Holdings and was CEO and President of the Corporate Performance Management and Integrated Marketing divisions of the company. While there, Jim led the acquisition and integration of over 20 public and private firms into the enterprise and built the eventual business into a $200M entity from 2001 to 2006. In 2007, Jim sold the Corporate Performance Management division to another services firm, Enterpulse, and was named President and Chief Operating Officer from 2006-2008. He was responsible for sales, marketing, and operations across the US. The firm concentrated on delivering large-scale CRM initiatives, large data stores programs, and ERP solutions across multiple industries, and was a key strategic partner for such firms as Oracle and Interwoven in these domain spaces. Growth was achieved across a diverse F1000 suite of businesses concentrated in the US. The firm was sold to an offshore technology firm looking to establish a US-based presence in 2008.

After leaving Enterpulse, Jim founded and operated multiple diverse enterprises, leveraging his technology background expertise and M&A experience. In 2008, Jim founded a fuels distribution business concentrated on the East Coast and focused on “wet” and “dry” delivery services. Simultaneously, he founded and operated a building maintenance and electrical services firm providing life cycle build, repair, and maintenance services for the imbedded infrastructure of large multi-state companies. The company services diverse clients such as Ahold USA (Giant Markets Division), Weiss Markets,  Raymour&Flanigan (commercial real estate and retail divisions), and Sheetz MiniMarkets (over 500 gas stations located in 5 states). After exiting his partnership in these firms in 2016 to join Cartesian, the companies continue to operate and grow as independent private firms.

Jim graduated with Honors from Villanova University (Mathematics) and Lehigh University (Mathematics).

Graham Harvey

Wi-Fi / Implementation

Graham is Cartesian’s Head of Wi-Fi, Implementation Services. As Head of Wi-Fi services, Graham is responsible for overall delivery of our Wi-Fi services, manages our relationship with Wi-Fi partners, and works with our business development team for sales activities.

Graham spent his early career as a software engineer and software team leader, firstly in radar research but predominantly in TV broadcast automation.

Subsequently, Graham has held numerous management roles: project management, software development management, product management, support management, third-party management, and customer relationship management.

Prior to his current role, Graham was deployed at Virgin Media for three years during which he managed the software and hardware testing of the Hub, Super Hub and Super Hub 2 products.

Graham holds a BSc (Hons) in Electronic and Electrical Engineering, University of Birmingham in the UK and is a member of the IET.

Neal Paye

Vice President

Neal is a Vice President based in Cartesian’s Boston office and a member of the North America Strategy & Analytics team. Neal has 10+ years of strategic advisory experience, including consulting advisory and internal corporate/business strategy roles. His areas of expertise include product and go-to-market strategy, customer experience enhancement, sales & marketing optimization, market & competitive analysis, data analysis & visualization, and commercial due diligence. Neal’s experience spans the TMT ecosystem, including service providers, tech vendors, investors, regulators, and other industry stakeholders.

Neal received his MBA from the MIT Sloan School of Management and his Bachelor of Science degree from Questrom School at Boston University.

Adam Beresford

Senior Consultant

Rupali Shenoy

Analyst

Working at Cartesian has given me the opportunity to grow rapidly and challenge myself each day. I continue to look forward to collaborating with a team that is comprised of intelligent and supportive individuals who are always willing to help me improve on various skillsets.

Jay Kearns

Consultant

Ron Angner

Senior Vice President

Ron is an SVP of Network and Operations. He leads the Sales Support & Delivery team at Cartesian. In this capacity, he serves as General Manager of the Cartesian OSS/BSS practice and is Cartesian’s senior Operations Executive.

Ron has over 25 years of experience in the telecommunications industry and possesses hands-on operational and management experience in nearly every discipline within the industry including, strategy, marketing, network planning, product/service design and implementation, customer premises equipment servicing strategy, billing and customer care.

Prior to Cartesian, Ron held executive and director-level positions at Lucent, Bell Labs, AT&T and CSG Systems, and was managing director for several international operations in Europe. During Ron’s tenure at Bell Labs, he gained significant experience in the specification, design, development, and deployment of OSS/BSS platforms. He was also managing director for several international operations in Europe. At AT&T, Ron served as AT&T’s Chief Architect for the Long Distance and Special/Services networks.

These experiences have led Ron to success at Cartesian where he has managed the development of the Cartesian MVNE platform, including the OSS/BSS architecture, partner interfaces and the control framework and dashboards; led an OSS/BSS integration for two leading competitive local exchange carriers (CLECs); and managed multiple revenue assurance engagements.

Ron received his PhD in Engineering, as well as an MSEE, from Columbia University. He also holds a BSEE from Drexel University.

Mei Lam

Security Assurance

Mei is Cartesian’s Head of Security Assurance. She is responsible for client delivery, account management, and business development for the Content Security Team.

Her team provides testing, security auditing, investigatory, and consultancy services to clients in the Media and Entertainment Industry. She works with content owners and video service providers to ensure content is secure and revenue is protected.

Her project expertise includes:

  • Anti-piracy Investigations
  • Vulnerability Assessments
  • Geo-blocking Circumvention Testing
  • Watermark Robustness Testing
  • Compliance Testing
  • Revenue Protection

Mei received a BSc in Computer Science (Networks) from the University of Hertfordshire.

Patrik Farkas

Senior Consultant

Diksha Singh

Consultant

Vito Morawetz

Vice President

Vito leads product, technology and infrastructure strategy engagements for service providers and network operators. He has over 25 years of experience in the telecom sector, including 15 years in the industry.

Specific areas of Vito’s expertise include network and operational transformation, supplier selection and management, access and interconnect strategy, network optimisation, identification and delivery of cost reduction opportunities, mergers and acquisitions, and post-merger rationalisation.

Prior to Cartesian, Vito held executive positions in Network Strategy and Operations at Vodafone, Virgin Media, Cable and Wireless, and MCIWorldcom, and was a management consultant at DDV/Logica Consulting, CSMG, and BIS/Nynex.

He received a Degree in International Economics from Bocconi University in Milan.

Leah Fawzi

Analyst

Cartesian has been the perfect place to begin my career – surrounded by smart, supportive teammates in a fun and collaborative environment, I feel myself learning and growing every day.

Julia Emery

Analyst

I decided to work at Cartesian because of the potential to always be learning. Whether you are working on a long- or short-term project, there is always enthusiasm towards solving problems with new technology.

Lauren Sheppard

Consultant

I’m proud to work for Cartesian, working every day with experts in telecommunications who understand client needs. The most positive aspect of the ‘culture’ is the coaching and mentoring behaviour that is present in interactions with all levels of management.

Chris Quintin

Managing Director, EMEA

As Managing Director for Cartesian in EMEA, Chris has full accountability for Cartesian’s business outside of North America.

Chris is a relationship-focused TMT leader with a proven track record in Global Sales & Commercial Management, Account Directorship, Bleeding Edge Proposition Development, Professional Services & Consultancy Delivery. With over 25 years’ experience in the sector, Chris has worked in senior delivery, leadership, consultancy and commercial roles for some of the world’s largest global TMT organizations.

Contact Chris to learn how Cartesian can help.

John Jonsson

Analyst

Rohan Prabhakar

Analyst

Every day at Cartesian offers something different. Whether you are working on industry-changing projects, modelling future trends or playing mini golf with your team – there’s never a dull day here.

Peter Esdaile

Senior Consultant

I joined Cartesian after several years working with them as a contractor, seeing the benefits of working with enthusiastic professional teams who are trusted by customers to lead complex projects.

Peeyush Rajabhoj

Consultant

Don Zurawski

Vice President

Don works closely with clients to provide insight into organizational improvement and optimization of existing IT and functional activities.

He regularly leads projects for Cartesian involving industry requirement compliance, IT infrastructure assessment, and operating environments. Don is an expert in applying Cartesian’s proprietary methodology, QSA®, which assesses and benchmarks information technology systems against Industry Best Practices. This objective, third party audit enables our clients to demonstrate that they are meeting SLAs, contractual, and legal/regulatory obligations. With over 25 years of senior management and leadership experience with several Tier One communications providers, Don is well versed in Best Practice standards and guidelines that include CobiT, PMI-PMBOK, SEI-CMMI for Software Development, ITIL, and TQM.

Before joining Cartesian, Don was the Director of Sprint’s Virginia Billing Services. In this capacity, he was responsible for the integrity of Sprint’s Data Services and Federal Government FTS billing, including customer service acceptance, transaction processing, invoice verification, user requirements definition and user acceptance testing. Prior to his 15 year career at Sprint, Don worked at MCI managing several key revenue activities including A/R operations and systems management, traffic processing, billing management, and merger and acquisition operations integration.

At Cartesian, Don has built upon his previous successes by leading several major contractual compliance performance and systems audits as well as numerous external benchmark assessments of clients’ Billing, Project Management, SDLC, and IT Refreshment processes.

Don’s efforts have garnered several high profile awards including MCI’s Excellence in Service, Sprint’s President’s Club Award, the Sprint Chairman’s Quality Award and the Missouri Quality Award for performance excellence. Don graduated from the University of Maryland, College Park, with a BS in Business Administration and is a member of the Virginia Chapter of ISACA for IT Governance.

Tianhe Xie

Consultant

I chose to work for Cartesian because I wanted to apply the skills that I learnt from my general consultancy role to a specialised focus. It is great to be surrounded by people who are super passionate and experienced in the TMT sector, and I enjoy the opportunity to discover trends in this fast-moving industry while performing in-depth analysis to support client growth within the Cartesian team.

Giancarlo Ciraci

Consultant

Rishi Modha

Principal

Rishi is a Principal in Cartesian’s Boston office and is responsible for leading strategy and analytics engagements.

He has extensive experience working with communications and video service providers on strategic initiatives, helping them use data science and analytics to drive effective commercial actions.

His project expertise includes:

  • Content Planning and Investment
  • Customer Experience Improvement
  • Customer Value Management
  • Fraud Reduction
  • Market Research and Analysis
  • Network Planning and Investment
  • Product Development
  • Sales and Marketing Improvement

Rishi received a BSc in Mathematics and Philosophy from the University of Bristol.

Damien Lee

Data Analyst

I chose to work at Cartesian because of the opportunity to take greater responsibility at an early stage of my career. Coupled with the inclusive culture, this allows me to develop my professional skills more quickly than I would at another firm.

Aisha Ahmed

Consultant

Martin Beattie

Senior Consultant

I have worked with Cartesian over the past 14 years, firstly as a customer receiving excellent quality people to help deliver my projects and then as an associate myself and now most recently converting to an employee, as a Senior Consultant. The projects I have worked on have been large complex projects and all part of a larger programme of work. These have significant impact to the UK public and carry great importance with each deliverable. Most enjoyably, I get to work with an excellent team of professionals who get the job done.

The time I spend interacting with my colleagues to solve problems for our client, is my favourite part of the day.

The new office location is near a vibrant street food market so it is possible to eat excellent food, reasonably priced, from all over the world on our doorstep. In one week you can cover multiple Asian food styles (i.e. Korean, Japanese or Chinese) and South American styles (i.e. Brazilian & Argentinian) along with traditional BBQ food, British Roasts or Spanish Paella and much, much more…

The Cartesian culture is an ethical one, aimed at delivering value for our clients, whilst we grow the business. Through all of this we have a supportive team and we aim to have fun along the way.

Scott Appleton

Principal

Olivier Gobilliard

Software Development Manager

Alistair Crook

Vice President

Alistair is responsible for client delivery, account management, and business development for the video, media, and Wi-Fi teams. They provide consultancy, testing, and technical services to media and broadcast service providers within EMEA.

Alistair has many years of experience in the media and video sectors in senior management positions, working with executive-level stakeholders to develop strategy, governance, and structure across operational and technical departments. Managing service and business operations for both suppliers and operators over the years has facilitated his ability to empathize with client challenges and define tailored solutions that solve their needs.

Jenna Wagner

Senior Data Analyst

Joanna Cline

Vice President, HR

Joanna leads Cartesian’s Human Resources and Recruiting teams.

She is responsible for all aspects of Human Resources in North America, including payroll, benefits, compliance and recruiting. In addition, she manages the human resources and recruiting functions for EMEA.

Prior to starting at Cartesian in 2001, she was a Human Resources Specialist for SYSCO where she was in charge of sales and administration recruiting, commission payroll and human resources-related project management. She also worked with the Employee Relations team at State Farm’s corporate headquarters in Bloomington, IL.

Joanna graduated with honors from Missouri State University with a Bachelor of Science degree in Psychology and Human Resources Management followed by earning a Master of Science degree in Industrial/Organizational Psychology from Illinois State University.

Emma Rons

Consultant

I chose to work for Cartesian as the projects and clients looked particularly interesting and also a former colleague recommended Cartesian for their friendly and inclusive approach. I’ve been part of many different projects each with their own highlights and it’s always a pleasure to work with a great team of people. I’ve enjoyed time spent in Germany and many UK locations and, as well as the challenge of interesting projects, there often seems to be a hospitality venue to be discovered.

Roger Peden

VP, Technology Delivery

Roger is responsible for the delivery and operations of Cartesian’s software solution portfolio. This includes Cartesian’s own Ascertain® platform and products as well as select third party packages, which support the assurance, BSS and point solution needs of our customers, utilising both on-premise and fully managed delivery models. The delivery team is responsible for the full end-to-end project lifecycle from pre-sales through to in-life operations.

Roger has nearly 30 years experience of software delivery in the telecommunications industry, supplying and supporting successful installations that to provide long term customer value. Prior to Cartesian he worked for Logica on a number of telecoms billing delivery engagements, and at Three UK in a BSS delivery role.

Akhil Sontakke

Consultant

I chose to work for Cartesian because I was really interested in data analysis and visualizations. Since starting at Cartesian, I have learned so much more than just data analysis. I have learned how to effectively communicate my ideas and build compelling narratives that can solve business problems. I have gotten the opportunity to build client relationships and work collaboratively both with my fellow co-workers and our clients. My experience at Cartesian has been great and I look forward to continuing to grow my career here.

Stefano Pedrazzi

Senior Analyst

Since joining Cartesian, I had the opportunity to learn how to leverage advanced analytics to solve telecom companies’ strategic challenges. The workplace culture of Cartesian is collaborative and rewarding. Everyone aims at supporting your professional development every step of the way.

Kabir Khanna

Analyst

I chose to work for Cartesian because of the close-knit team culture and the emphasis on providing clients with actionable data driven solutions.

Mel Giles

Senior Consultant

Sheenam Hayer

Senior Consultant

I enjoy working as a consultant in the Telco industry. The best part of working at Cartesian is that I get to learn from the experiences of the best consultants of the Telco world. The collaborative and cultivating Cartesian culture helps me to grow professionally. I enjoy my fun coffee breaks and project meals with my colleagues. Cartesian Fridays provide the platform to network and interact across all levels of leadership.

Emily Pattison

Analyst

My favorite stage of a project is the beginning. My team and I have this ‘Bring it on!’ mentality that makes diving into new material really exciting.

Alex McGlue

Consultant

I’m thrilled by my decision to join Cartesian. Everyone brings a unique and valuable skillset to the table, and I’m blown away daily by how driven the team is. It’s made me a better colleague. The “secret sauce” to our success as a small group, however, is undoubtedly the group dynamic. We care about one another, professionally and personally, and that translates to a culture that can be greater than the sum of its parts.

Theresa Bender

Consultant

Cartesian promotes a culture of personal development and collaboration that has afforded me the opportunity to grow in my career. I’ve expanded my professional horizons, building relationships with clients from day 1 and challenging myself to think creatively to solve complex business challenges. At the same time, our team is filled with friendly, intelligent, and helpful people that are eager to support you – it’s the best of both worlds.

Lionel Tranchard

Content Security & Tech. Consulting

Lionel is Cartesian’s Head of Content Security and Technology Consulting, and a Senior Executive with over 25 years of experience in research, development, system architecture, program management, system engineering, and integration, as well as in the management of complex projects, in the pay television and digital media industries. He is in charge of supervising our Technology Consulting Practice and manages the Paris Cartesian office.

Lionel has wide expertise in the fields of pay-TV, content security, broadcast, IPTV, OTT video services, software applications, and UI/UX. In particular, he has supervised projects for the specification, design, and integration of end-to-end broadcast, IPTV and OTT systems.

Relevant experiences include:

  • Project management for the design, build, and integration of an end-to-end hybrid IPTV/OTT platform offering STB and multi-screen services (meinfernsehen.tv).
  • Defining the system architecture, technical interfaces, end-to-end integration principles, and OSS/BSS interfaces for several TV platform deployments in Europe.
  • Drafting of RFPs, management of RFP processes, and vendor selection for OTT and hybrid TV platforms, including the service back-ends, the content preparation head-ends, the set-top boxes, the interactive applications, and the content security systems.
  • Monitoring and contributing to standardization bodies, in particular in HbbTV with active participation in the specification of Push VOD.
  • Conducting technical studies for various operators.
  • Conducting several security audits for operators or CAS/DRM suppliers.
  • Program management and system integration for the launch of a TV On Demand platform offering VOD and Catch-up TV services.
  • Participation in technical strategy projects for hybrid STB and Gateways.
  • Technical management for the development of the complete software stack of an IPTV STB for a major Telco.
  • Several due diligence on triple-play cable operators and on a leading middleware and conditional access provider.
  • Program management and technical leadership for the launch of a hybrid PVR STB, and the Digital Switch Over of a cable operator in Germany.

Adam Dadvar

Consultant

Madeleine Abdoh

Vice President, People & Operations

Madeleine Abdoh is VP People & Operations for Cartesian’s EMEA business. She has a multidisciplinary background in international HR Management, Leadership Development, Law & Business. For the past 15 years, she’s held global and regional HR leadership roles in leading private and public companies in Media, Technology and Professional Services, including Thomson Reuters and the BBC. Madeleine has spearheaded culture change, delivered complex change programmes, developed and implemented multiyear workforce plans, and has expertise in M&A and integration, employee relations, engagement, DEI and well-being.

She attended the London School of Economics, earning Masters’ degrees in Tax law and Industrial Relations, and completed an MBA at Vlerick Business school in Ghent.

Tom Melluish

Senior Consultant

Brad Hoffman

Consultant

At Cartesian we help our clients navigate through evolving trends and challenges within the TMT industry. We are focused on building long-term client relationships and it is rewarding to see the strategic impact we provide our clients.

Pratik Bose

Consultant

Dale Reynolds

Vice President

Dale is responsible for the sales and management consulting services of Cartesian’s North American operations.

With over twenty one years of consulting experience supporting telecommunications, manufacturing, retail, financial, and insurance customers, Dale has developed expertise in corporate performance management, Sarbanes-Oxley, revenue assurance, financial management, systems integration, business process re-engineering, and project/program management.

Prior to joining Cartesian, Dale led projects at EDS where he focused on billing, sales, ordering, and financial functions. At EDS he worked with leading telecommunications and utility firms, including AT&T, Verizon Wireless, Philips Lighting, United Water and J. Crew, in engagements involving application development, SAP Basis Administration, application and web hosting, as well as the management of computing environments and LAN/WAN networks.

Since joining Cartesian, Dale has successfully implemented several multi-million dollar engagements and has engaged in the program management of diverse teams across multiple disciplines to ensure that projects are delivered on time and on budget.

Dale is a graduate of Slippery Rock University of Pennsylvania and holds a Bachelor of Science in Accounting and Computer Science.

Peter Litsky

Senior Analyst

I decided to work at Cartesian because of the work culture that is offered. Everyone on the team has been very supportive of each other from helping bring newer hires up to speed on the work being done to lending a hand on a project they may have had experience with previously. It has created a collaborative environment that allows everyone to grow their skills and learn.

Abe Westbrook

Consultant

The friendly faces, the Dunkin runs, the occasional late nights. Sometimes it feels like a job, often it feels like something more.

Fara Razally

WiFi Test Consultant

Steve Hentzen

Technical Business Analyst

Steve has been with Cartesian for over a decade. He builds and supports solutions using Cartesian’s Ascertain® platform and products.

Steve has is Bachelors of Science in Computer Science from the University of Kansas and has over 30 years in the IT industry.

He is a cancer survivor and has a passion for helping others. He’s used that passion to make our world better as the co-founder of www.prostatenetwork.org

Craig Sambridge

VP, Technology Engineering

Craig leads the Research and Development team at Cartesian and is responsible for design, development and management of our software solutions including Ascertain®.

Coming from a software engineering background, initially developing wholesale rating systems for the telecommunications market back in 1996, Craig brings to the team proven management expertise and industry knowledge with a strong customer centric focus in addition to his detailed technical knowledge of the software development process and extensive knowledge of UNIX platforms.

During his time at Cartesian, Craig has also spent many years designing and leading software and integration projects for our customers and taken on a number of additional roles, including OSS and BSS consulting, as well as technical product management of our software.

Craig holds a degree in Computer Science B.Sc. (Hons) from the University of Hertfordshire in England.

Jon Scrutton

Manager, HR

David Davies

Vice President

David is Vice President, Telco Delivery within Management Consulting and leads Cartesian’s Enterprise practice. David helps service providers manage their large customers, driving efficiency, customer experience, and profitability.

He is a seasoned consulting professional with 18 years’ experience within the telecoms sector including 6 years working within industry. David’s focus is on successful enterprise delivery and helps service providers navigate the complexities that large customers present. Latterly, David works with operators in the creation and delivery of their Unified Communication strategy, bringing a wealth of experience in programme delivery across the customer lifecycle.

Prior to joining Cartesian, David worked as a Consultant for PwC Management Consultancy Services as well as managed the development of the billing platform used in the launch of Three. He received his BSc in Mathematics, Operational Research, Statistics and Economics from the University of Warwick.

Redouane Ali

Principal Consultant

Ceri James

Consultant

Andy Welch

Vice President

Andy is leading strategy engagements in the 5G and cellular space. 5G is enabling the biggest set of disruptive changes in telecoms for many years creating opportunities for new use cases, business models and services.

Andy was recently Technical Director at the UK’s largest 5G testbed in the West Midlands covering urban deployment, use case trials and enterprise engagement. Prior to that he held several permanent, interim and consulting roles in strategy and architecture for telecoms companies such as O2, Cable and Wireless, Vodafone, EE, Meteor, Eircom and others.

During that time he’s led work on:

  • Technology programmes for acquisitions and divestments
  • National network sharing agreements
  • Network performance leadership
  • National cellular rollouts
  • MVNO startups
  • Pan-European deployments

Fred Brusseau

Graphics Manager

Cartesian operates in an industry that is dynamic and interesting, and one that affects how people interact with each other and the world around them. Cartesian also has a great track record of hiring smart people that are fun to work with. Those are just a couple of the reasons I’ve been with the firm for as long as I have.

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