This as-told-to essay is based on a conversation with Bridget Griswold, the 25-year-old CEO of Lean In, who lives in San Francisco. It's been edited for length and clarity.

I fell in love with technology at Brown University, where I studied computer science and business. I worked with two female professors to build a robot. I interned at a semiconductor manufacturing company and also loved design and art.

Product management felt like a really wonderful combination of all those interests, and that was my role at Meta a year after graduating from college. My team and I redesigned the Instagram search grid, so now when you search for large Instagram accounts, you're routed to the search results page rather than directly to those accounts. I'm very proud of that.

While at Meta, an incredible female mentor connected me to Sheryl Sandberg . Meeting her felt so surreal and is what led me to start my role as CEO at Lean In in March.…