Mark Suster (@msuster) — Twitter Score 287 out of 1000

Mark Suster is a venture investor and two-time entrepreneur who founded BuildOnline and Koral, the latter of which was acquired by Salesforce in April 2007. Mark Suster's Twitter Score is 287 out of 1000 (an Excellent rating) as of September 2026, ranking #1,170 (top 0.5%) among 486,860 tracked accounts.

Mark Suster is currently General Partner at Upfront Ventures, where he focuses on backing early-stage entrepreneurs. Prior to this role, he served as VP of Products at Salesforce following that company's acquisition of Koral. He was also formerly a general manager at GRP Partners. His first company, BuildOnline, merged with Citadon in December 2006.

Mark Suster co-founded Launchpad LA, a startup accelerator that operated until 2014. He has also commented publicly on cryptocurrency markets, including being quoted in a November 2017 WIRED article expressing concern about companies raising large sums through ICOs before being sufficiently prepared. Mark Suster's account has published 13,626 posts and has 403,601 followers as of September 2026.

Mark Suster has been mentioned by 1,115 accounts, with 6,650 total mentions across the platform.

Who follows Mark Suster on X?

The accounts that follow Mark Suster include 1,573 founders, 457 angel investors, 175 influencers and 201 VCs, among them Balaji, Chris Dixon, Nikita Bier, Matt Huang, Mike Dudas and Kyle Samani.