My name is Supatcharin Kemarat, and I am currently an Associate Professor in the Division of Sport Science and Sport Development at the Faculty of Allied Health Sciences, Thammasat University, Thailand. In addition to my role as an assistant dean, I teach sport psychology. I have more than 15 years of experience as a lecturer. I earned a Bachelor of Nursing Science (B.N.S.) with second-class honors from Mahidol University in 2001, a Master of Science (M.S.) in Sport Science from Kasetsart University in 2004, and a Ph.D. in Exercise and Sport Science from Burapha University in 2008. I began my career as a professional nurse and later served as a lecturer at Kasetsart University and worked as a sports development officer at the Department of Physical Education, Ministry of Tourism and Sports. I joined Thammasat University in 2015. My research interests include sport and exercise psychology, psychological skills training, competitive anxiety, sport confidence, mental toughness, and athlete performance. I have published extensively in national and international journals. Since 2007, I have provided sport psychology services to amateur and professional athletes, coaches, and parents. Additionally, I serve as an Executive Committee Member and Secretary of the Thailand Applied Sport Psychology Association. I have authored multiple textbooks and scholarly works in sport psychology and continue to actively contribute to both academic and professional communities in Thailand and intern