Alex Sismanis (@alexsismanis) — Twitter Score 1 out of 1000

Alex Sismanis is a technology entrepreneur who co-founded L1 Advisors, an onchain wealth and asset management platform that describes itself as the distribution layer for decentralized financial protocols. Alex Sismanis's Twitter Score is 1.2 out of 1000 as of August 2026, ranking #415,303 among 483,944 tracked accounts.

Alex Sismanis co-founded L1 Advisors and serves as its CTO, overseeing infrastructure built to serve advisors, asset managers, and investors through onchain wealth management tools. The platform supports activity on the Ethereum and Base networks. Prior to L1, Alex Sismanis led web3 and smart-contract development for companies including Itsme. Alex Sismanis also co-founded Ben, a Y Combinator Winter 2018 company that built a unified platform for learning about, buying, selling, and storing cryptocurrency; Y Combinator currently marks the company inactive.

Alex Sismanis has been active in the crypto space through 2010, posting about L1's launch of onchain model portfolios and commenting that DeFi was becoming more accessible. L1 Advisors raised a $1.6 million pre-seed round in October 2023, with investors including VanEck and Ironclad Financial. Alex Sismanis's account has accumulated 124 followers as of August 2026 and 68 posts.

Who follows Alex Sismanis on X?

The accounts that follow Alex Sismanis include 6 founders and 3 angel investors, among them matthew sigel, recovering CFA, Ram Ahluwalia CFA, Lumida, Jay A, Abi, Matt Bartlett and Crews.