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 October 2026, ranking #10,971 (top 5%) among 498,181 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, Digital Objects and Apex. Upfront Ventures has published 2,798 posts on the platform and has 106,115 followers as of October 2026. Upfront Ventures has been mentioned by 331 accounts, with 1,050 total mentions.
Who follows Upfront Ventures on X?
The accounts that follow Upfront Ventures include 409 founders, 123 angel investors, 48 influencers and 109 VCs. Among them are Marc Andreessen, Kyle Samani, David Sacks, Garry Tan, Vance Spencer and Tyler Winklevoss.