# Stewart Geary

> Stewart Geary is a startup investor at Eisai. See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Eisai](https://shizune.co/investors/profile/eisai-co)
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/stewart-geary-120aa3/

Stewart Geary is a startup investor at Eisai. Stewart Geary has worked at Eisai since 1996 in PV, clinical safety and regulatory science. He was a member of the CIOMS VII, VIII and IX Working Groups, and currently serves on the Executive Committee of JAPhMed and the Editorial Advisory Boards for Applied Clinical Trials and Pharmaceutical Medicine. He is also the content editor for Safety andPharmacovigilance for the DIA Global Forum.

## About Eisai

VC Fund · Tokyo, Japan

Eisai is a human healthcare company that provides products and services to its patients and their families under any healthcare system. They specialize in an integrated pharmaceutical business that operates in business groups and focuses on oncology and neurology, dementia-related diseases, and neurodegenerative diseases.

5 contacts available at Eisai.

| Name | Title | Profile |
| --- | --- | --- |
| Chad Swanson | Executive Director, Neurology Business Group; Clinical Research | https://shizune.co/investors/profile/chad-swanson |
| Eran Nadav | Business Development Director | https://shizune.co/investors/profile/eran-nadav |
| Harald Hampel | Chief Medical Officer, Senior Vice President, Neurology | https://shizune.co/investors/profile/harald-hampel |
| Haruo Naito | CEO | https://shizune.co/investors/profile/haruo-naito |
| Stewart Geary | Deputy Director | https://shizune.co/investors/profile/stewart-geary |

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