Molly Welch is a Partner at Radical Ventures in San Francisco, investing in early-stage AI startups. She previously worked at Google Brain, Lyft, and Playground Global, and holds degrees from Stanford and Harvard.
At firms with a similar stage, sector and check size.
One email when Molly'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 deckMolly Welch is a Partner at Radical Ventures in San Francisco, investing in early-stage AI startups. She previously worked at Google Brain, Lyft, and Playground Global, and holds degrees from Stanford and Harvard.
Molly Welch invests through Radical Ventures, which writes checks of $250K to $10M at seed, series a.
Email [email protected], the firm's inbox for founders, and name Molly in the subject. A warm intro from a founder Radical Ventures backed works better.
worked on team at Google Brain; worked on AI policy at Lyft; venture investor at Playground Global; Lyft; Google Brain.
Last updated 2026-10-15. Is this you? Ask for a correction.