Andy Sack (@AndySack) — Twitter Score 30 out of 1000

Andy Sack is a serial entrepreneur and investor who co-founded Forum3, an AI-first consultancy that previously advised Starbucks on its Starbucks Odyssey NFT initiative. Andy Sack's Twitter Score is 30 out of 1000 as of July 2026, ranking #36,856 (top 10%) among 531,432 tracked accounts.

Andy Sack co-founded Forum3 alongside its pivot from a Web3 focus to an AI-first consultancy model, continuing to serve as its co-CEO. Forum3 raised a $10 million seed round in December 2022, led by Decasonic with participation from Bloccelerate, Liberty City Ventures, Arca, Polygon Ventures, and Valor Siren Ventures. Previously, Andy Sack served as Managing Director at Techstars Seattle and formerly consulted for Microsoft.

Andy Sack has a long track record of founding and co-founding ventures. He co-founded Kefta, which was acquired by Acxiom in 2007, co-founded Abuzz, which was acquired by New York Times Digital in 1999, and co-founded Firefly Network, which was acquired by Microsoft. He also founded Lighter Capital and KeenCapital, and co-founded Founders' Co-op, reflecting a sustained commitment to early-stage company building and venture investment. Andy Sack additionally serves as an advisor to One Way Ventures. His account has published 3,532 posts and has been mentioned by 54 accounts a total of 191 times.

Who follows Andy Sack on X?

Andy Sack draws a following from across the startup and crypto ecosystem, with 7,819 followers as of July 2026 on the platform. The accounts that follow Andy Sack include 101 founders, 29 angel investors, 32 influencers and 12 VCs, among them Chris Dixon, Marc Andreessen, Gary Vaynerchuk, Mando, Fred Wilson and Jake Brukhman.