October 2-4, 2023, Faculty of Education, Suan Sunandha Rajabhat University, led by Assistant Professor Dr. Kannika Piromrat, Dean of the Faculty of Education. Assistant Professor Dr. Tasanee  Satthaphong, Deputy Dean for Academic Affairs, Lecturer Dr. Patcharaporn  Pilasombat, Chair of the Graduate Program Assistant Professor Panuwat  Sivaskunraj, Head of the Teaching Profession Group Assistant Professor Dr.Thanatyod  Jampawai, Head of the Department of Mathematics Assistant Professor Dr. Sommai  Pawabut, Assistant Professor Sirimanee  Banjong, and Assistant Professor Dr.Sasiporn  Phongploenpis attended the Train the Trainer training course and professional teacher competency development training course at the Phetchaburi Witthaya Longkorn conference room. 2 Valaya Alongkorn Rajabhat University under royal patronage