Ryota Yonezawa
FIAJ
Consultant
Tokyo, JP
Since joining Milliman in July 2022, Ryota Yonezawa has supported primarily the life insurance projects, including review of MCEV, development of VoVA, MG-ALFA modeling, M&A, and product development.
Experience
Ryota Yonezawa started his career in April 2016 with Dai-ichi Life Insurance, where he was in charge of analyses of morbidity rates, valuation of EV, ICS measurement, and cash flow analyses of overseas life insurance firms at the Actuarial Department.
Professional Designations
- Fellow, Institute of Actuaries of Japan
Education
- BS, Department of Mathematical Engineering and Information Physics, The University of Tokyo
- MA. Creative Informatics, Graduate School of Information Science and Technology, The University of Tokyo
Publications
Read their latest work
Article
経済価値ベースのソルベンシー規制における生命保険会社のESR
06 February 2026 - by Kyosuke Aiguchi, Hiroki Koizumi, Ryota Yonezawa, Noriyuki Kogo
日本では生命保険会社向けの新たな規制フレームワークに移行するため、経済価値ベースのソルベンシーマージン比率（ESR）の下で各社がどのような状況にあるのかを検証します。
Article
ESR for life insurance companies under new Japanese solvency regulation
06 February 2026 - by Kyosuke Aiguchi, Hiroki Koizumi, Ryota Yonezawa, Noriyuki Kogo
As Japan shifts to a new regulatory framework for life insurers, we examine how companies fare under the economic value-based solvency margin ratio.