Leslie K John

Leslie K. John is a Canadian and American academic, behavioral scientist, and popular science author of Revealing: The Underrated Power of Oversharing.

Early life and education John was a professionally trained ballet dancer prior to embarking on her academic career. She trained at the National Ballet School of Canada, Royal Winnipeg Ballet School, and John Cranko Ballet School in Germany. Her work has been published and cited in many selective academic journals and popular media sources. Harvard Business Review, Wired Magazine, The New York Times, Financial Times, NPR, The Economist, Business Insider and Los Angeles Times as well as popular media shows including: Hidden Brain, Harvard Business Review IdeaCast Podcast, 10% Happier with Dan Harris (journalist) , and others.

John's debut book, Revealing: The Underrated Power of Oversharing, was published on February 24, 2026. In advance of publication, Revealing received praise from Arthur C. Brooks, Adam Grant, Katy Milkman, and others while being cited by The Wall Street Journal , The Independent , The Guardian , making Grant's list of new books for 2026, and the "Must Read Books for February 2026" list from the Next Big Idea Club.

Research John's research focuses on how people make decisions and the result of those decisions. Organizational Behavior and Human Decision Processes, Psychological Science, Journal of Marketing Research, Proceedings of the National Academy of Sciences of the United States of America, Management Science, JAMA Network Open, and many others. and has sat or is presently on the editorial boards of Journal of Marketing, Journal of Consumer Research, Journal of Marketing Research, and Social Psychological and Personality Science. 2017 Marketing Science Institute Young Scholar 2018 Michael P. O’Donnell Paper of the Year, American Journal of Health Promotion 2018 Finalist for the HBR McKinsey Award – HBR Article – "The Surprising Power of Questions" 2023 Marketing Science Institute Scholar

Books Revealing: The Underrated Power of Oversharing (Penguin Random House, 2026)