Doximity CEO ignored Silicon Valley wisdom and built a $10 billion health-tech company

Jeff Tangney launched his first health-tech start-up, Epocrates, in the middle of the dot-com bubble. While the company survived the crash and eventually went public, the endgame was a disappointing acquisition for less than $300 million. By the time Tangney started his next venture, Doximity, in 2010, he’d learned a few things: Don’t raise too much money. Don’t burn too much cash. Fix a real problem for doctors.