A decade ago, Sal Khan envisioned using technology to tailor education to individual and community needs.
“The correct question is not how do you keep a culture from changing, it’s what culture do you want to have, and how do you get there,” says John Collison, co-founder and president of the online payment system Stripe. He discusses how his startup began with a culture of immediate action but grew over time to be more methodical and metrics driven.