Brian Cubellis (@BackslashBTC) — Twitter Score 9 out of 1000

Brian Cubellis is a Bitcoin strategist who serves as Chief Strategy Officer at Onramp and Partner at Early Riders, a Bitcoin-denominated venture-capital firm that raises, holds, and returns capital exclusively in bitcoin. Brian Cubellis's Twitter Score is 9.4 out of 1000 as of October 2026, ranking #100,115 among 498,071 tracked accounts.

Brian Cubellis spent years in traditional finance, including time previously at Brown Brothers Harriman, before leaving that world to join Coinbase Institutional's research team, where he previously worked as a Research Analyst. He later helped build Onramp, joining in 2023 to lead its education, content, and strategic messaging efforts. He is also an active author of Onramp research, covering topics that span Bitcoin custody, institutional allocation, monetary policy, market structure, and portfolio construction.

Brian Cubellis co-hosts Onramp media discussions focused on institutional Bitcoin markets and financial infrastructure, extending his research work into regular commentary for a professional audience. His account has accumulated 1,418 followers as of October 2026 and 4,056 posts. Brian Cubellis has been mentioned by 14 accounts, with 147 total mentions.

Who follows Brian Cubellis on X?

The accounts that follow Brian Cubellis include 49 founders, 4 angel investors, 28 influencers and 1 VCs. Among them are James Seyffart, Dylan LeClair, Mark W. Yusko - Two Point One Quadrillion, Marty Bent, CarpeNoctom and Cory Klippsten Swan.com.