Sandberg's former college professor, Larry Summers played a pivotal role in her career as both mentor and sponsor. Sandberg worked for Summers at the World Bank and the Treasury Department, and has called him her first and certainly “most important†mentor in various interviews.
The best advice she got, Lee said, came from Marissa Mayer when Lee considering taking a job at Google. Mayer said her own favorite choices had come when she followed the more difficult road. “’Are you learning, are you growing, are you challenging yourself?’†Lee recalled Mayer asking. “I always define my career in terms of that.â€
Mentor