Prof Parit Mekaroonkamol is an associate professor at faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital. He is an American Board Certified Advanced endoscopist whose specialization focuses on submucosal endoscopy, ESD, POEM, EUS, and ERCP. He is also an executive member of World Endoscopy Organization, Asia-Pacific Society of Digestive Endoscopy, Gastroenterological Association of Thailand, and Thai Association for Gastrointestinal Endoscopy.