In collaboration with the Department of Psychology of the Royal University of Phnom Penh and the Center for Trauma Care and Research (CTRO), in the morning of January 31, 2023, a workshop was organized on “Introduction to Cognitive Processing Therapy” which started from 08:30 to 11:30 at Room #002, Building A, Ground Floor of RUPP. There was about 81 participants who are working in the field of mental health from various institutions and organizations and students of psychology from RUPP participated in the workshop. The workshop was presented and shared by Professor Dr. Steven E. Bruce, Director of the Center for Trauma Recovery, USA.