Gen Re Appoints Nancy Roos To Executive Board Of General Reinsurance AG
Mar 31, 2026 | By Kailee Rainse

Gen Re has announced that Nancy Roos has been appointed to the Executive Board of General Reinsurance AG, effective 1 April 2026, following the retirement of Mike O’Dea.
SUMMARY
- Gen Re has announced that Nancy Roos has been appointed to the Executive Board of General Reinsurance AG, effective 1 April 2026, following the retirement of Mike O’Dea.
General Reinsurance AG is Gen Re’s German legal entity and the main risk carrier for its international business.
Nancy Roos has served as Chief Financial Officer of General Reinsurance AG since 2019 and will continue in this role alongside her new board appointment. She brings more than 20 years of experience at Gen Re having joined the company in 2001 in the General Accounting team.
Commenting on the appointment, Charlie Shamieh, Gen Re’s Chairman and Chair of the General Reinsurance AG’s Executive Board, said: “Since assuming the role of CFO of General Reinsurance AG, Nancy has led the international finance function through an increasingly complex reporting and regulatory environment. I am confident that her deep institutional knowledge, strategic insight and proven leadership will ideally complement the Executive Board.”
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Throughout her career, she has held multiple senior finance and leadership positions, contributing to the company’s financial governance and long-term strategic development.
She also played a key role in major corporate technology transformation programmes, strengthening financial systems and improving reporting capabilities across the organisation.
Mr. Shamieh added: “On the occasion of his retirement, I’d also like to extend my deep appreciation to Mike O’Dea for his remarkable contributions over the course of his career, as our global Gen Re Group CFO and longstanding member of the General Reinsurance AG’s Executive Board. He has demonstrated exceptional leadership in spearheading large‑scale global initiatives, guiding the company through the implementation of major changes in accounting standards and systems that have strengthened Gen Re’s operational foundation. The company is profoundly grateful for his dedication and service and wishes him the very best in his retirement.”
About Gen Re
Gen Re is a leading global reinsurance company providing solutions for Life/Health and Property/Casualty insurance markets. It partners with clients to support their growth through tailored products, tools and expertise. Gen Re is owned by General Re Corporation, a subsidiary of Berkshire Hathaway Inc., operating worldwide reinsurance businesses.








