American entrepreneur and investor. Co-founder of Counsyl and former CTO of Coinbase. Former general partner at Andreessen Horowitz.

Helping, founding, funding, and growing B2B start-ups. Making it a positive-sum game for everyone involved.

Tweets about DTC, Growth mktg, bootstrapping, investing and @cardinals. Founder & CEO of @GatewayX. Co-founder @Ampush. Married to @tweepika. Papa to R&S.