Donald R. Robertson, the author of six books including How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius. He is a CBT therapist, writer, and trainer . . .  specializing in the relationship between philosophy, psychology, and self-improvement. He’s particularly known for his work on Stoic philosophy and cognitive-behavioural therapy. Donald was born in Ayr, Scotland, but now lives in Canada.                                                                                                              https://learn.donaldrobertson.name/