Sam Vaknin is a professor of clinical psychology and business management in CIAPS (Commonwealth Institute of Advanced Professional Studies), Cambridge and Birmingham, UK; Ontario, Canada; and Lagos, Nigeria; a Visiting Professor of Psychology and Economics in South East European University (SEEU), North Macedonia, and a former Visiting Professor of Psychology, Southern Federal University, Rostov-on-Don, Russia. Sam Vaknin is the author of Malignant Self-love: Narcissism Revisited and other books about personality disorders. He maintains YouTube channels with close to 500,000 subscribers.