David Greenstein is a co-founder of Vault.fm, a chat platform connecting artists and fans through real-time conversations, texts, and group chats around music and shows. David Greenstein's Twitter Score is 133 out of 1000 (an Excellent rating) as of July 2026, ranking #5,589 (top 5%) among 389,587 tracked accounts.
David Greenstein previously co-founded Sound.xyz, a web3 music platform that raised a $5M seed round led by Andreessen Horowitz and a $20M Series A led by a16z Crypto, with participation from Snoop Dogg, Ryan Tedder, and others. David Greenstein is also affiliated with Y Combinator.
David Greenstein's portfolio includes Spinamp. David Greenstein's account has accumulated 10,940 followers as of July 2026 and 5,385 posts. David Greenstein has been mentioned by 59 accounts, with 115 total mentions.
Who follows David Greenstein on X?
The accounts that follow David Greenstein include 376 founders, 122 angel investors, 180 influencers and 11 VCs. Among them are Chris Dixon, Laura Shin, jesse.base.eth, Stani, Fred Ehrsam and Threadguy.