1) Certified in New Frontiers in Medicine (Wellness and Aging), The University of Tokyo, Tokyo, Japan (2023). & Certified in Wellness & Healthcare Business Opportunity Program for Executives (WHB), Mahidol University, Thailand (2022) conjuncts with Tokyo, Japan (2022). 2) Certified in IMEAc Training and SAR Writing, 2022. 3) Certified in Clinical Toxicology, New York City Poison Control, New York University &Bellevue Hospital Centre, in collaboration with Hong Kong College of Emergency Medicine, Royal Christian Hospital, Hong Kong

- Assistant Dean for Corporate Communication, Faculty of Medicine, Ramathibodi Hospital, Mahidol University (2009?2011 and 2011?2014 terms). - Head of Project and Working Group for Injury Surveillance and Prevention in Children, Faculty of Medicine, Ramathibodi Hospital, Mahidol University. - Pediatrician in the Pediatric Heart Disease Projects, Princess Galayani Vadhana Institute of Cardiology, Siriraj Hospital, Mahidol University, and the Heart Foundation of Thailand, under the Royal Patronage, providing medical examinations in remote areas to assist patients in need of surgical interventions, and a pediatric heart disease physician in the Compassionate Heart Project, etc. - Head of Pediatric Emergency Medicine Unit, Faculty of Medicine, Ramathibodi Hospital, Mahidol University. - Assistant Professor in the Department of Emergency Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University. - Associate Professor in the Ambulatory Pediatrics Unit, Faculty of Medicine, Ramathibodi Hospital, Mahidol University.

Diploma Boards/Sub-boards: Diploma Board of Pediatrics (1) Sub-Board of Pediatric Cardiology (2) Board of Family Medicine (3) Board of Emergency Medicine (4) Board of Preventive Medicine (Public Health) (5) Board of Preventive Medicine (Epidemiology) (6)

2024: 1) Chaikittisilpa S, Orprayoon N, Vallibhakara O, Vallibhakara SA, Tanmahasamut P, Somboonporn W, Rattanachaiyanont M, Techatraisak K, Jaisamrarn U. Summary of the 2023 Thai Menopause Society Clinical Practice Guideline on Menopausal Hormone Therapy. J Menopausal Med. 2024 Apr;30(1):24-36. 2) Vanitchanont, M.; Vallibhakara, S.A.-O.; Sophonsritsuk, A.; Vallibhakara, O. Effects of Multispecies Probiotic Supplementation on Serum Bone Turnover Markers in Postmenopausal Women with Osteopenia: A Randomized, Double-Blind, Placebo-Controlled Trial. Nutrients 2024, 16, 461.

2023: 3) Thongchumnum W, Vallibhakara SA, Sophonsritsuk A, Vallibhakara O. Effect of Vitamin E Supplementation on Chronic Insomnia Disorder in Postmenopausal Women: A Prospective, Double-Blinded Randomized Controlled Trial. Nutrients. 2023 Feb 27;15(5):1187. 4) Chucherd O, Vallibhakara SA, Paiwattananupant K, Puranitee P, Wattanayingcharoenchai R, Vallibhakara O. The effect of online video-assisted teaching program on medical students learning procedure of fractional curettage. BMC Med Educ. 2023 Feb 2;23(1):82 5) Eursiriwan S, Okascharoen C, Vallibhakara SA, Pattanaprateep O, Numthavaj P, Attia J, Thakkinstian A. Comparison of Various Pharmacologic Agents in the Management of Hemodynamically Significant Patent Ductus Arteriosus in Preterm: A Network Meta-Analysis and Risk-Benefit Analysis. Biomed Hub. 2022 Oct 24;7(3):125-145.