# Busaburo Otsuka

> Busaburo Otsuka is a startup investor at Otsuka Holdings. See 0 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Otsuka Holdings](https://shizune.co/investors/profile/otsuka-pharmaceutical)
- Last updated: Aug 2026

Busaburo Otsuka is a startup investor at Otsuka Holdings. Busaburo Otsuka is the founder of Otsuka Pharmaceutical.

## Contacts

5 contacts available for Busaburo Otsuka: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/busaburo-otsuka?utm_source=investor_profile

## About Otsuka Holdings

VC Fund · Tokyo, Japan

Otsuka Pharmaceutical was established in Tokushima Prefecture, Japan in 1964. At Otsuka Pharmaceutical, we are committed to a holistic approach to health and well-being of people and are striving to create innovative, thoroughly-original: pharmaceutical and nutraceutical products based on our corporate philosophy “Otsuka-people creating newproducts for better health worldwide”. Analogous to riding on a bicycle, we drive on two wheels.

5 contacts available at Otsuka Holdings.

| Name | Title | Profile |
| --- | --- | --- |
| Roch Doliveux | CEO | https://shizune.co/investors/profile/roch-doliveux |
| Busaburo Otsuka | Founder | https://shizune.co/investors/profile/busaburo-otsuka |
| Debbie Profit | Vice President, OIT | https://shizune.co/investors/profile/debbie-profit |
| Lisa Strouss | Director of Field Medical Digital Health | https://shizune.co/investors/profile/lisa-strouss |
| Peter Zhang | Head of Biostatistics Department | https://shizune.co/investors/profile/peter-zhang-3 |

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