I quit college at 21 to run my AI company. Sacrifices like working up to 80-hour weeks while I had cancer were worth it.

Ce ma infricoseaza/ingrijoreaza?

This as-told-to essay is based on a conversation with 26-year-old David Kobrosky, the founder of Intros AI, from Brooklyn. The following has been edited for length and clarity. When I went to college in 2017, I already knew I wanted to work in startups and make a difference in the world. After my freshman year at the University of Michigan, I switched majors from business to computer science, which I felt would be more useful for running an early-stage company. But in late 2018, at age 19, I