How old and experienced is an average CEO?

[youtube https://www.youtube.com/watch?v=KyLWYso7omw&w=620&h=315]

In the fall of 2012, I had a semi-interesting conversation with a kid I was going to graduate school with. At the time, I think I was 31; the other person in question was 24. We were both males. The topic was, essentially: when is our career peak? I try not to think about this too much, be…