Dr. Witoon graduated from Medical School of Chiang Mai University, and later completed the Diplomate of Thai Board of Surgery and Plastic & Reconstructive Surgery.
He has been practicing cosmetic surgery and plastic surgery in Bangkok and Chiangmai for over 30 years. He had also been teaching plastic surgery at Chiang Mai University, Thailand since 1971. His plastic surgeon license number is 1278/2528, As a national board-certified plastic surgeon.
His professional registrations and affiliations include Specialist Plastic and Reconstructive Surgeon with the International College of Surgeons (Plastic Surgery), the Royal College of Surgeons of Thailand (Plastic Surgery), the Society of Aesthetic Plastic Surgeons of Thailand, the Society of Plastic and Reconstructive Surgeons of Thailand and Thai Society of Cosmetic Dermatology and Surgery of Thailand.