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Meet our North American team

When you’re seeking a solution to a critical challenge, you want to speak to someone that understands your situation. Our team are industry experts who work to not only find you the right solutions, but the answers that will push you forward.

  • Jim Serafin

    CEO

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

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  • Ron Angner

    Ron Angner, PhD

    Senior Vice President, Network and Operations

    Ron 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.

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  • Rick Gasloli

    Rick Gasloli

    Senior Vice President, Strategic Development

    Rick is responsible for identifying and developing business/partnership opportunities, and the capabilities needed to support them at Cartesian.

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  • Nikos Andrikogiannopoulos

    Principal

    Nikos is a Principal in our Boston office with experience in telecommunications engineering, optical fiber networks, economics and data analytics.

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  • Scott Firebaugh

    Scott Firebaugh

    Director, Managed Solutions – Implementation

    Scott leads the implementation team of managed solutions for North America, which includes full life cycle software development that leverages Cartesian’s Ascertain® platform to meet clients’ specific needs.

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  • Sam Kornstein

    Samuel Kornstein, CFA

    Vice President, Strategy & Analytics

    Sam is a Vice President in Cartesian’s Boston office, with responsibilities for client development and engagement management.

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  • Mark Markowitz

    Mark Markowitz

    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.

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  • Julie Mendenhall

    Julie Mendenhall

    Vice President

    Julie is a seasoned professional with in-depth knowledge of the Cable and Telecom industries.

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  • Ted Morrell

    Vice President, North American Business Development and Sales

    Ted is responsible for identifying and developing B2B consultative sales and business development opportunities, and the capabilities needed to support them at Cartesian.

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  • Dale Reynolds

    Dale Reynolds

    Vice President

    Dale is responsible for the sales and consulting services of the North American communications industries.

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  • Jonathan Steinberg

    Vice President, Strategy

    Jonathan M Steinberg is a Vice President within the company’s Strategy Practice in North America. His work spans the full Telecom, Media and Technology sectors.

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  • Don Zurawski

    Don Zurawski

    Vice President, Client Delivery

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

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