Upfront Ventures is an early-stage technology venture capital firm that was founded by Yves Sisteron, Steven Dietz, and Steve Lebow, originally under the name GRP Partners before rebranding in 2013. Upfront Ventures's Twitter Score is 75 out of 1000 (a Good rating) as of September 2026, ranking #10,788 (top 5%) among 486,860 tracked accounts.
Upfront Ventures has backed more than 200 companies since its founding. Mark Suster and Kara Nortman serve as managing partners at the firm. Upfront Ventures also organizes the Upfront Summit, a technology conference held in Los Angeles that brings together founders, investors, and industry leaders.
Upfront Ventures's portfolio includes Rally, uBeam, Stem, dscvr.one, SHOTS, Focusmate, Apex and Bland. Upfront Ventures has published 2,780 posts on the platform and has 105,993 followers as of September 2026. Upfront Ventures has been mentioned by 325 accounts, with 1,041 total mentions.
Who follows Upfront Ventures on X?
The accounts that follow Upfront Ventures include 405 founders, 123 angel investors, 44 influencers and 109 VCs. Among them are Marc Andreessen, Kyle Samani, David Sacks, Garry Tan, Vance Spencer and Tyler Winklevoss.