Martie G. Haselton is Professor of Communication, Psychology, and the Institute for Society and Genetics at University of California, Los Angeles (Ph.D., 2000, Psychology, University of Texas, Austin). She directs the UCLA Sex, Gender, and Evolution Lab (SAGE lab). In 2018 she published Hormonal: The Hidden Intelligence of Hormones—How They Drive Desire, Shape Relationships, Influence Our Choices, and Make Us Wiser (Little, Brown). Haselton studies human reproductive hormones and their relationship to social behavior, intimate relationships, and sexuality. She is also known for her work articulating error management theory as an explanation for a diverse suite of cognitive biases. Her work has been featured in The New York Times, The Washington Post, USA Today, The New York Post, Time, The Economist, The Wall Street Journal, and The Los Angeles Times, and she has been interviewed on NPR, CNN, Good Morning America, and The View. She was Associate Editor at Psychological Science from 2022-2024 and is currently Associate Editor at Adaptive Human Behavior and Physiology. From 2006-2011 she was Editor of the flagship Journal of the Human Behavior and Evolution Society, Evolution and Human Behavior. At UCLA, she coordinates the year-long freshman “Cluster” course, Sex: from Biology to Gendered Society and previously served as Associate Director of the National Science Foundation Interdisciplinary Relationship Science Program. She received a US patent for a romantic matching and is a science advisor for hormone-tracking devices and applications.