Building Sundial. Angel investor. Former Design VP @ FB. Author of "The Making of a Manager" https://t.co/6HwJhCW5Hi. Obsessed with systems. Design + data person.
Founder & CEO @NotejoyApp, a fast & focused notes app for you & your team. Program Creator @Reforge & Writer @ https://t.co/nauKnJQ4qe on all things product management.
Chief Innovation Officer at Antidote, disrupting clinical trials with technology. Founded @Techbikers and @campuslondon, blog at https://t.co/CXCBxcEbTi
Creator of Ruby on Rails, Co-owner & CTO of 37signals (Basecamp & HEY), NYT best-selling author, and Le Mans 24h class-winner. No DMs, email: dhh@hey.com