Dr. Jetjaroen Klanwang is a faculty member at KOSEN-KMITL. He earned his Ph.D. from Oregon State University, his Master’s Degree from the University of Utah, and his Bachelor’s Degree from Prince of Songkla University. His research interests lie in number theory, particularly in the areas of modular forms, quasi-modular forms, and mock modular forms, with his work published in prestigious journals such as the Journal of Number Theory. Dr. Klanwang was awarded a scholarship by the Thai government to study abroad, providing him the opportunity to conduct advanced research at leading institutions in the United States.