What were your biggest challenges on transitioning from Product Manager to Group Product Manager?

Going from an IC PM to a manager role was one of the most gratifying transitions in my career. Having been a manager before in a different context prior to becoming a Gro...

Being a good PM helps becoming a good manager of PMs, but is not a sufficient condition. I have seen below 3 as top challenges/opportunities unique to GPMs: Deligating, ...