Daisuke Seki

FIAJ, CFA

Principal and Senior Consultant

Tokyo, JP

Daisuke Seki joined Milliman in November 2023. Since then, Daisuke has been actively advising clients on the following:

M&As (multiple cross border M&As, cross border reinsurance transactions, including block deals and flow deals)
EV and MCEV reviews
ALM strategy reviews
ESR and ICS advisories
Assumption reviews, including economic and non-economic assumptions

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Experience

Daisuke has extensive experience in insurance M&A, including life insurance, P&C, bancassurance, intermediaries, and joint venture deals.

Prior to joining Milliman, Daisuke spent 17 years with a global insurer. As a head of a global M&A transaction, he led the valuation of M&A and related activities for more than 30 M&As in five continents, including contractual negotiation and valuation of life business, non-life business, asset management business, reinsurance business, broker business, Lloyd’s business, and long-term distribution contracts, including bancassurance.

Professional Designations

Fellow of The Institute of Actuaries of Japan
Chartered Financial Analyst (CFA®)

Education

Bachelor of Engineering, University of Tokyo
Master of Engineering, University of Tokyo
Master of Business Administration, University of Cambridge

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Publications

Read their latest work

Article

Landscape of critical illness insurance in Asia and the United States

10 December 2025 - by Shir Lynn Ong, Julian Man, Jennifer O’Brien Howard, Ashlee Mouton Borcan, Erica Chan, Scott Chow, Linda Jin, George Leung, Daisuke Seki

The evolution of the US CI insurance market offers useful insights for Asia's insurers navigating increasingly complex consumer needs and market dynamics.

Article

アジアと米国における重大疾病保険の状況

10 December 2025 - by Shir Lynn Ong, Julian Man, Jennifer O’Brien Howard, Ashlee Mouton Borcan, Erica Chan, Scott Chow, Linda Jin, George Leung, Daisuke Seki

米国の重大疾病保険市場の進化は、ますます複雑化する消費者ニーズと市場動向に対応するアジアの保険会社に対して、有益な知見を提供します。

Daisuke Seki

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Experience

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Read their latest work

Landscape of critical illness insurance in Asia and the United States

アジアと米国における重大疾病保険の状況

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Daisuke Seki

Experience

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