Actually I believe he was with Ropes and Gray. He left to start his own firm. It was something he had been wanting to do for awhile. The link is below. I would not be surprised to see him back as a consultant in the future as he is good at what he does.
https://www.law.com/americanlawyer/2018/06/08...0527001504
All the information I post here is my opinion and is not advice to buy or sell a stock..Do your DD and research...GLTA