Julian Barling, PhD , is the Distinguished University Professor, and Borden chair of leadership at the Smith School of Business at Queen's University in Kingston, ON, Canada. He is a fellow of the Royal Society of Canada, the Association of Psychological Science, the Society for Industrial and Organizational Psychology, the European Association for Occupational Health Psychological Association, and the Canadian Psychological Association. He received the Outstanding Career Contribution in Occupational Health Psychology from the European Association for Occupational Health Psychology in 2008; the Distinguished Scientific Contribution from the Canadian Society for Industrial and Organizational Psychology in 2016; and the Lifetime Career Achievement in Research Award from the American Psychological Association, NIOSH, and the Society for Occupational Health Psychology in 2017. He was listed in the top 2 percent of the world's most cited scientists in 2020 and 2022. Simon Rego, PsyD , is chief of psychology at Montefiore Medical Center and professor of psychiatry and behavioral sciences at Albert Einstein College of Medicine in New York, NY. He is board certified in cognitive behavioral psychology by the American Board of Professional Psychology, certified in cognitive behavior therapy by the Canadian Association of Cognitive and Behavioral Therapies, and certified as a trainer/consultant by the Academy of Cognitive and Behavioral Therapies. He is a fellow of the American Psychological Association (Division 12), the Association for Behavioral and Cognitive Therapies, and the Academy of Cognitive and Behavioral Therapies, and a founding clinical fellow of the Anxiety and Depression Association of America. Foreword writer Judith S.

Beck, PhD , is president of the Beck Institute for Cognitive Behavior Therapy, and clinical professor of psychology in psychiatry at the University of Pennsylvania. She is author of the seminal text, Cognitive Therapy , which has been translated into more than twenty languages. Afterword writer Tim Coolican "stumbled into" the cosmetics industry, working on Unilever's DermaSilk hair-care brand as an intern. After graduating, he held several roles at Unilever before joining L'Oréal Canada in 2004. Coolican was named president of L'Oréal Paris USA in 2017. He is currently CEO of Milk Makeup, a New York City-based cosmetics and skin-care company.