Christos Adamantiadis has been appointed as Global Head of Placement and Market Solutions, Marsh Risk, effective November 1, 2026, Marsh announced.

According to the press release, in this newly created role, Mr. Adamantiadis will lead Marsh Risk’s global placement and market solutions strategy, working closely with regional leaders and insurers globally to accelerate product innovation and ensure Marsh continues to design, structure, and place best-in-class insurance programs across markets, industries, and client segments.

Marsh also announced that John Donnelly, President of Global Placement, will retire from the company early next year, after a distinguished 50-year career in the industry. He will continue to lead key global placement initiatives and support the transition.

“Christos is an outstanding leader with a proven ability to build teams, services, and capabilities across geographies that deliver value for clients. Under his leadership, I am confident that Marsh will continue to develop innovative, client-focused solutions that support their risk transfer needs and deliver the best possible outcomes. I also want to thank John, whose remarkable track record in international placement has advanced Marsh’s global placement strategy across retail and wholesale”, said Nick Studer, CEO, Marsh Risk.

“I look forward to working with regional leaders and insurer partners around the world to strengthen market access and bring the full breadth of Marsh’s placement and product capabilities to clients. Together, we will continue to develop innovative solutions that help clients manage volatility, protect their balance sheets, and move forward with confidence”, Christos Adamantiadis added.