CEO @LambdaSchool: A CS education that's free until you get a job.

English computer scientist, essayist, entrepreneur, investor, and author. Known for his work on the programming language Lisp, co-founding Viaweb (later Yahoo! Store), and co-founding Y Combinator.

Clinical professor of marketing at the New York University Stern School of Business, public speaker, author, podcast host, and entrepreneur.

GP @CountdownVC. Investing idea stage & pre-seed checks in hard tech founders. Passionate about 🇺🇸 science and industrials.