Entrepreneur and lawyer. Studied political science at Stanford University and received a J.D. from Harvard Law School. Notable for his association with Peter Thiel and involvement in challenging Stanford's rules on student speech.

Billionaire technology entrepreneur. Co-founder of Twitter, founder of Blogger and Medium, and co-founder of Obvious Ventures.

I tweet mostly about great books and ideas. Retoolin' at @retool. Also: @tommyinhebrew