He Sold Burritos Out of His Apartment Window. Now He’s Running a $7 Billion Startup.

Pivot Point is a new Wall Street Journal feature in which executives reflect on the successes and setbacks of their careers. The first Pivot Point installment is here.

Zach Reitano was the only one in his cohort of a dozen summer interns at Booz & Co. a decade ago who didn’t get a full-time job. The failure set him up to lead a $7 billion healthcare company.