Assoc. Prof. Archwin Tanphaichitr from the Department of Otorhinolaryngology, Faculty of Medicine Siriraj Hospital, was invited to be Chairperson/Speaker at the 8th Asia Pacific Pediatric Otolaryngology Conference (APOG2022) in Ho Chi Minh City, Vietnam during August 5th – 6th, 2022. He was a chairman in the session on Immunotherapy, Pediatric ENT Infectious Disease, and Laryngology, delivered a special talk on the topic “Management of Complete Tracheal Rings” and also attended the Pre-Congress Course: “Advanced Airway Surgery” on August 5th, 2022.