Fellow @solana, GSoC @OpenWISP, AWS Cloud Captain, Swimmer, Pianist, Orator etc. etc.

Writing is therapy.

Partner, Castle Island Ventures. Cofounder, Coinmetrics.io

General Partner at Spark. Previously: Investment Partner at Kleiner Perkins, built products for people @Square & @Google. I'm told I talk fast.

Jonathan (@jonathan_tower) invests in founders leveraging breakout technologies to solve complex problems in industries and geographies ripe for disruption.