Day One Ventures

Day One Ventures backs mission-driven, early-stage founders who obsess over customers, pairing capital with storytelling, art and culture to accelerate mass adoption of breakthrough technologies. Led by Masha Bucher, the firm provides hands-on PR, community and go‑to‑market support across AI, fintech, climate & energy, enterprise, future of work, consumer, deep tech and Web3—acting as a day‑zero partner to help startups launch and scale.

Invests In

Pre-Seed

Seed

Avg Check sIZE

Fund Size

Location

San Francisco, CA

Leads Rounds?

Can Lead or Co-Lead

What they Invest In

Advanced Computing

Materials Science

Notable Investments

Press

No items found.

Q&A

What's common Advice that Founders receive that is flat out wrong?

"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip"

Larsen Jensen

GP, Harpoon Ventures

What's common Advice that Founders receive that is flat out wrong?

"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip"

Larsen Jensen

GP, Harpoon Ventures

What's common Advice that Founders receive that is flat out wrong?

"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip"

Larsen Jensen

GP, Harpoon Ventures

What's common Advice that Founders receive that is flat out wrong?

"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip"

Larsen Jensen

GP, Harpoon Ventures

Day One Ventures

Invests In

Pre-Seed

Seed

aVG. cHECK sIZE

lEADS ROUNDS?

Can Lead or Co-Lead

lOCATION

San Francisco, CA

Notable Investments