A Brutal Performance Review Helped Sweetgreen's CEO Manage Everything BetterJonathan Neman shares what he learned from getting an evaluation from co-founders, employees and family.

One day in March, I arrived at my Los Angeles office and prepared for an emotional bruising. My executive coach had interviewed 17 people close to me -- my wife, my mom, myco-founders, my direct reports and some other employees -- and it was time to learn what they said. What do they think are mystrengthsand weaknesses? What are my blind spots? Where do I need improvement?

I wasn't sure I was ready to hear the answers.