University of California, Berkeley. Peterson speculated that these warning letters were foremost up to official disciplinary action from him, but in December the university assured him he would retain his professorship, and in January 2017 he returned to educate his psychology course at the University of Toronto. Petski, Denise (September 13, 2017). "'Goliath': Alexandra Billings Set to Recur in Season 2 of Amazon Drama Series".