To be totally fair here, I think you'd probably have to establish a base rate of this. I'd bet that virtually all prior FCC commissioners end up with a gig like that, regardless of how they regulated the industry. It should be an easy question to answer though.
I’ve noticed that the Aspen Institute is a sink for these sort of individuals across a number of fields. So far as I can tell, it functions as a sort of a bullpen for talent at the political / economic interface for a number of large corporations. It certainly isn’t mission-driven or benevolent.