Directing
Also Known As: Sand Dhammarong Sermrittirong, แซนด์ ธรรมรงค์ เสริมฤทธิรงค์, SandOtnim, แซนด์ ธรรมรงค์
Sand Dhammarong Sermrittirong also know as SandOtnim is a Thai writer, screenwriter and director. He graduated from the Faculty of Communication Arts in Motion Pictures and Still Photography at Chulalongkorn University
