Global insurer and reinsurer American International Group (AIG) has appointed Koki Umeda as Vice Chairman of AIG Japan, succeeding Hirofumi Shimoyama, who will transition to Senior Advisor, effective July 1, 2026.
Umeda brings more than three decades of global insurance experience and a proven leadership record in Japan, the Americas and Europe.
James Nash of AIG Japan commented on the appointment: “We welcome Koki Umeda as Vice Chairman while continuing to leverage Hirofumi Shimoyama’s leadership and partnerships. I am confident his perspective will help drive our next phase of growth.”
“I have had the privilege of working with Mr. Shimoyama for many years, and I am deeply grateful for his insights, partnerships, leadership, and passion for serving our clients and agents.”
He continued: “Since joining AIG, he has played an important role in transforming our business and laying a strong foundation for the future, and I am very grateful for the support he has given me personally and from AIG Japan.
“I look forward to working with Mr. Umeda and Mr. Shimoyama to find ways to improve the value we deliver to our customers, agents and distribution partners across Japan.”
