Mark Zuckerberg
Founder, Facebook

Travis Kalanick
Founder, Uber

Jessica Livingston
Partner, Y Combinator

Patrick Collison
Founder, Stripe

Ben Silbermann
Founder, Pinterest

Ben Horowitz (recording unavailable)
Partner, Andreessen Horowitz; Founder, Opsware

Tom Preston-Werner
Founder, GitHub

Ron Conway
Partner, SV Angel

Hiroshi Mikitani
Founder, Rakuten

Joel Spolsky
Founder, StackExchange, Fog Creek Software

David Rusenko
Founder, Weebly