# Hironobu Yoshikawa

> Hironobu “Hiro” Yoshikawa is a Japanese entrepreneur and investor based in Silicon Valley. A literature graduate of Waseda University, he worked at Red Hat and Mitsui Ventures before co-founding Treasure Data in 2011. He led the company through its 2018 acquisition by Arm and now chairs the business, renamed Treasure AI in April 2026, while serving as a general partner at Carbide Ventures. In September 2026, he joined the Artificial Life Institute in Kyoto as a councilor.

- **Role:** Chairman & Co-founder at Treasure AI; General Partner at Carbide Ventures
- **Organizations:** Treasure AI (formerly Treasure Data), Carbide Ventures, Artificial Life Institute, Waseda University, Arm (formerly), Mitsui Ventures (formerly), Red Hat (formerly)
- **From:** Tokyo, Japan
- **Nationality:** Japanese
- **Education:** Bachelor of Arts; studied literature, Waseda University
- **Known for:** Co-founded Treasure Data in 2011 and led the business through its 2018 acquisition by Arm., Led three fundraising rounds totaling $54 million, as described by Heavybit and SVJP., Co-founded Carbide Ventures in 2021.

## Career timeline

- **2001** — Began working at Red Hat; taught Linux server administration before moving into technical and business development roles.
- **2007** — Joined Mitsui’s venture investment business.
- **2009** — Relocated to Silicon Valley for Mitsui Ventures.
- **2011** — Co-founded Treasure Data with Kazuki Ohta and Sadayuki Furuhashi; operations began in December.
- **2012** — Treasure Data launched its initial product in September.
- **2018** — Arm acquired Treasure Data; Yoshikawa became VP and GM of its data business unit.
- **2020** — Pankaj Tibrewal succeeded him as Treasure Data CEO on October 1; Yoshikawa continued on the board.
- **2021** — Became Treasure Data chairman and co-founded Carbide Ventures.
- **2022** — Began serving as an advisor to the president of Waseda University.
- **2026** — Treasure Data adopted the Treasure AI brand in April. Yoshikawa joined the Artificial Life Institute as a councilor in September.

## Achievements

- Co-founded Treasure Data in 2011 and led the business through its 2018 acquisition by Arm.
- Led three fundraising rounds totaling $54 million, as described by Heavybit and SVJP.
- Co-founded Carbide Ventures in 2021.
- Appointed a councilor of the Artificial Life Institute in September 2026.

## Latest updates

- **2026-09** — Joined the Artificial Life Institute in Kyoto as a councilor; appointment announced September 15.
- **2026-04** — Treasure Data, the company he co-founded and chairs, adopted the Treasure AI brand on April 20.
- **2025-02** — Carbide Ventures and NEC X announced a partnership for startup mentorship and investment networks on February 20.

## Links

- LinkedIn: https://www.linkedin.com/in/hiroyoshikawa/
- Twitter/X: https://twitter.com/yoshikawahiro

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Profile page: https://yespress.io/hironobu-yoshikawa
Published by YesPress — https://yespress.io
Last updated: 2026-10-22