relentless maker & free-market cryptoanarchist. Previously, Technology Evangelist @Blockstream, Open Source Strategy at @BitPay, CTO at @coursefork, many more.

COO @portal_finance: consumer P2P decentralized finance infrastructure. 1st #bitcoin debit card founder. @SFPeakPerform #biohacking. 3 exits.

CEO & Founder of Gem @gemhq, Crypto Enthusiast

Berkeley biophysics, Singularity University, Santa Fe Institute, Silicon Valley veteran entrepreneur, over a dozen companies, startups, financings, M&As, IPOs