Dr. Barbara Fredrickson is one of the most influential scientists in the field of positive psychology, best known for her groundbreaking Broaden-and-Build Theory, which transformed the way emotions are understood. As a Distinguished Professor of Psychology at the University of North Carolina at Chapel Hill, her research has shaped global approaches to well-being, emotional resilience, and human flourishing. She is the author of two acclaimed books, Positivity and Love 2.0, which translated decades of scientific research into accessible insights. Dr. Fredrickson has received numerous awards for her research excellence and is regularly cited as one of the most impactful psychologists of the 21st century. Her work continues to influence clinicians, educators, and policymakers around the world.

Dr. Philip Zimbardo is an iconic figure in psychology, widely known for his role as the creator of the Stanford Prison Experiment, one of the most discussed and studied research projects in the history of the field. Beyond this landmark work, he has spent decades exploring the psychology of evil, heroism, time perception, and social influence. A Professor Emeritus at Stanford University, Zimbardo has authored more than 60 books and hundreds of articles, making major contributions to both academic psychology and public understanding of human behavior. In recent years, he founded the Heroic Imagination Project, a nonprofit dedicated to teaching people how to take compassionate, courageous action in their communities. His career stands as a blend of pioneering research, public education, and social impact.

Ryan Niemiec is a psychologist and the Education Director at the VIA Institute on Character, widely recognized as the world’s leading expert on character strengths. He has authored influential books such as Character Strengths Interventions and The Power of Character Strengths, helping shape the global understanding of strengths-based psychology. Ryan played a key role in developing the VIA Character Strengths assessment, now used by millions worldwide, and has created evidence-based practices applied across education, coaching, organizations, and healthcare. He is also a respected speaker on mindfulness, well-being, and positive psychology.

Matthieu Ricard is a Buddhist monk, author, humanitarian, and photographer, often called “the happiest man in the world” based on neuroscientific studies of meditation. He has authored bestselling books such as Happiness, Altruism, and The Art of Meditation, and served for decades as a translator for the Dalai Lama. Matthieu is a leading contributor to research on compassion, altruism, and contemplative neuroscience, and the founder of Karuna-Shechen, a humanitarian organization supporting thousands in Nepal, India, and Tibet.

Michael F. Steger, PhD, is a psychologist and professor at Colorado State University, renowned for his research on meaning and purpose. He is the founder of the Center for Meaning & Purpose and the creator of influential tools such as the Meaning in Life Questionnaire (MLQ) and the Work & Meaning Inventory. Michael is also co-editor of foundational books in positive psychology and is recognized globally as an expert on purpose, well-being, and meaningful work.

Lea Waters, PhD, is a psychologist, researcher, and global expert in strengths-based parenting. She is the former President of the International Positive Psychology Association (IPPA) and a leading voice in child and adolescent well-being. Lea pioneered the concepts of Strengths-Based Parenting and Strengths-Based Schools, helping families and educators apply positive psychology in practical ways. She is the author of the acclaimed book The Strength Switch and a professor at the University of Melbourne. Through her consulting programs, Lea has helped schools and families around the world strengthen resilience, confidence, and thriving in young people.

Michael Ungar, PhD, is a professor, leading resilience researcher, and author known for his groundbreaking work on how resilience develops across different cultures and contexts. He is the founder and director of the Resilience Research Centre at Dalhousie University and has written numerous books, including Too Safe for Their Own Good. Michael has received national recognition for his contributions to social work and youth resilience, and he consults regularly with governments and international organizations on improving well-being and community support systems.

Dr. Suzy Green is a coaching psychologist specializing in applied positive psychology within coaching, education, and organizational settings. As founder of The Positivity Institute, she integrates scientific research with practical coaching tools to support resilience, flourishing, and sustainable performance.

Dr. Sonja Lyubomirsky is one of the most well-known happiness researchers in the world and author of The How of Happiness. Her research explores how intentional activities, mindset shifts, and daily practices can sustainably increase happiness. She is highly regarded for translating rigorous scientific research into practical strategies that improve well-being and life satisfaction.

Dr. Kim Cameron is a pioneer of Positive Organizational Scholarship, applying positive psychology principles to leadership and organizational performance. His work demonstrates how virtuous practices, positive leadership, and strengths-based cultures enhance effectiveness, resilience, and collective flourishing in workplaces and institutions.