Background
David is a Partner at FirstMark, where he focuses on investments across developer tools, AI, infrastructure, and security.
Prior to joining FirstMark, David spent over six years at Accel, where he helped lead investments in Browserstack, Freshworks (FRSH), Higo, Jellyfish, Klaviyo (KVYO), Monzo, Nuvemshop, Pismo (acquired by Visa), Pluang, Shogun, Truebill (acquired by Rocket), Tines, and Veza.
David graduated from the University of Pennsylvania and was born and raised in New York City.
Prior to joining FirstMark, David spent over six years at Accel, where he helped lead investments in Browserstack, Freshworks (FRSH), Higo, Jellyfish, Klaviyo (KVYO), Monzo, Nuvemshop, Pismo (acquired by Visa), Pluang, Shogun, Truebill (acquired by Rocket), Tines, and Veza.
David graduated from the University of Pennsylvania and was born and raised in New York City.
Announcing the Acquisition of Momentum by Salesforce
18/02/2026
We were thrilled to back Momentum just over 18 months ago, and are incredibly proud of what founders Santi, Ashley, and Moiz have achieved! This is a fantastic outcome for FirstMark, and we’re grateful for their partnership.
A Look Ahead: The Impact of AI on Engineering
At the 2025 FirstMark CTO Summit, David Waltcher unpacks the AI codegen boom—its explosive productivity gains, the technical chaos it’s unleashed, and the massive opportunities ahead. A clear-eyed look at what’s breaking, what’s next, and how engineering leaders are adapting.
