- Professor of Pediatrics. Directors, Pediatric Pulmonary Division, Ramathibodi Hospital Sleep Disorders Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Board and Sub-board in Pediatric Respiratory Diseases, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- FCCP., Fllow, the American College of Chest Physicians.
- Visiting Fellow to Prof. Gerald M. Loughlin and Prof. Carole Marcus. Divisions of Pediatric Respiratory Sciences, Pediatric Sleep and Breating Disorders, the Johns Hopkins Children's Center, Baltimore, Maryland, USA.
- Governors Community Service Award 2003 from the American College of Chest Physicians