Coaching For Leaders

Leanne ten Brinke: Poisonous People Leanne ten Brinke is an Associate Professor at the University of British Columbia, where she directs the Truth and Trust Lab. Her research investigates trust, deception, and dark personality traits across diverse populations—from incarcerated individuals to hedge fund managers and politicians. She reveals how dark personality traits shape our institutions and relationships, while offering practical strategies to recognize and counteract their harmful influence. Her book is titled Poisonous People: How to Resist Them and Improve Your Life (Amazon, Bookshop)*. If you are a leader, you are going to deal with poisonous people. Sometimes they will show up as clients, sometimes your boss, sometimes your peers, and sometimes the people you manage. Regardless of where they show up, this conversation with Leanne will help you handle this tough dynamic. Key Points Dark traits exist on a spectrum. While only 1% of the population rises to a clinical level of psychopathology, 10-20% of