/People

Ryutaro (Taro) Adachi

Investor

Managing Director at Eisai Innovation, Inc. · General Counsel at Constellation Technology Ventures

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You →Miguel · together at Constellation Technology Ventures (2026) →Ryutaro

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About

Appointed Managing Director of Eisai Innovation Inc. in 2026 (contractor to Eisai Innovation, engaged by Eisai Co., Ltd.). Has led Eisai's strategic investment activities since 2020, covering venture investments, portfolio management and LP investments. Previously at Shinsei Corporate Investment and Takeda Pharmaceutical. Holds a Ph.D. from the University of Tsukuba and is a CFA charterholder.

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Frequently asked questions

Who is Ryutaro (Taro) Adachi?
Appointed Managing Director of Eisai Innovation Inc. in 2026 (contractor to Eisai Innovation, engaged by Eisai Co., Ltd.). Has led Eisai's strategic investment activities since 2020, covering venture investments, portfolio management and LP investments. Previously at Shinsei Corporate Investment and Takeda Pharmaceutical. Holds a Ph.D. from the University of Tsukuba and is a CFA charterholder.
Where does Ryutaro (Taro) Adachi work?
Ryutaro (Taro) Adachi is Managing Director at Eisai Innovation, Inc..