He committed criminal fraud, went to prison for years, and then did a PhD in Philosophy and Critical Theory. Thesis: "Nudity and Disorder. Adventures in Posthumanist Freedom"

Not sure how he can be surprised his former colleagues are now distant:

- was he even a cultural fit for the finance world in the first place

- you can't go off the radar for years and then simply walk back

- now he has a criminal conviction for fraud, which is clearly going to be a problem for his former colleagues