Ramblings of a writer cursed with the power of common sense and occasional wit.

Lerer Hippeau is the most active early-stage venture capital fund in New York.

"Everything you touch you change. Everything you change, changes you" - Octavia Butler, Parable of the Sower

Founder and investor @ChapterOne. Previously led revenue @Tinder ($MTCH). Became #1 top grossing app. Follow me @jmj.

Co-Founder and CEO at Treehouse Games

I (try to) use design thinking to find problems.