Christos Adamantiadis

Christos Adamantiadis was appointed President and Global Head of Placement and Market Solutions for Marsh Risk in a newly created role effective November 1, 2026. He reports to Nick Studer, chief executive of Marsh Risk, and succeeds John Donnelly, president of global placement, who is set to retire from the business next year. In the role, Adamantiadis will lead Marsh Risk's global placement and market solutions strategy, working with regional leaders and insurers worldwide to accelerate product innovation and ensure the broker continues to design, structure and place insurance programs across markets, industries and client segments.

Born in Athens, Adamantiadis holds a BSc in Economics from the London School of Economics and a Master's Degree in International Economics and Management from S.D.A. Bocconi University in Milan. He also holds a Diploma in Leadership from INSEAD Business School. Adamantiadis is a Greek-origin executive who brings deep expertise in developing teams and operations across multiple geographies.

Career History

• President and Global Head of Placement and Market Solutions, Marsh Risk (November 2026–present)
• CEO of Marsh Europe (January 2023–November 2026)
• CEO of Marsh's Continental Europe division (January 2023 until promoted)
• CEO of Marsh Risk's Middle East and Africa region (May 2018–January 2023; seven years total)
• Chief Executive of Oman Insurance Company, UAE (three years prior to 2018)
• Various management roles at AIG spanning 20 years, including positions overseeing operations in Central and Eastern Europe, Russia, Turkey, the Middle East, and North Africa

What Christos Adamantiadis could bring to his role as President and Global Head of Placement and Market Solutions: Adamantiadis brings proven expertise in building teams, services, and capabilities across geographies. He has managed operations in 20+ European countries and spent seven years building Marsh's Middle East and Africa business. With 25 years of insurance industry experience and deep knowledge of global risk markets, he is positioned to drive product innovation and accelerate market solutions across Marsh Risk's global placement strategy.