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Corporate Team

Cartesian’s Corporate team support the rest of the company to deliver outstanding results for our clients. By doing so, they have created the most successful specialist consulting firm in our sector.

  • Donald J. Tringali

    Executive Chairman

    Donald J. Tringali leads the Board's efforts in working closely with Cartesian management to formulate and implement strategic and operational initiatives to enhance the company's performance.

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  • Bill Hill

    William Hill


    Bill is one of Cartesian’s co-founders and is responsible for global business development and client delivery.

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  • Jim Serafin

    Senior Director of Global Operations

    Jim is responsible for operational oversight across all divisions of Cartesian. He also directly leads all North American operations. Jim is a member of the Office of the Chief Executive.

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  • Susannah Hawkins

    Susannah Hawkins

    Director of Strategy and Acting Operations Director, EMEA

    Susannah is Director of Strategy at Cartesian. She also oversees delivery and drives sales across all divisions in EMEA. Susannah is a member of the Office of the Chief Executive.

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  • Dermod Ranaghan

    Dermod Ranaghan

    Managing Director and Acting Chief Financial Officer

    Dermod is the Managing Director of Cartesian EMEA, responsible for firm management, operations and client delivery within the region. He is also the acting CFO for the company and a member of the Office of the Chief Executive.

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  • Nancy Morrow

    Nancy Morrow

    Senior Vice President, Human Resources

    As Senior Vice President of Human Resources, Nancy is responsible for the firm’s global human resource activities, most important among them, ensuring that Cartesian attracts and retains the best telecom professionals in the industry.

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