Hiro Yoshikawa is a General Partner at Carbide Ventures. He was the founding CEO of Treasure Data, which he sold to Arm, and is active in Silicon Valley.
At firms with a similar stage, sector and check size.
One email when Hiro's firm raises a fund, adds a partner or shows new activity.

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckHiro Yoshikawa is a General Partner at Carbide Ventures. He was the founding CEO of Treasure Data, which he sold to Arm, and is active in Silicon Valley.
Carbide Ventures has not reported a check size. It invests at pre-seed, seed, series a.
A warm intro from a founder Carbide Ventures backed works best. A short LinkedIn note with one line on traction is the next best route.
founding CEO at Treasure Data.
Last updated 2026-10-15. Is this you? Ask for a correction.