Dr. Robert Biswas-Diener is a researcher, author, coach trainer and coach. He is regarded as one of the pioneers of positive psychology coaching and has studied the topic for more than 25 years. He is author of 9 books including Positive Provocation (2023), and Radical Listening (2025). Robert trains coaches at Positive Acorn and is visiting faculty in Singapore and Australia. In 2024, Thinkers 50 named Robert one of the 50 most influential executive coaches in the world.