Dr. Sirasa Ruangritchankul is a clinical educator in the Division of Geriatric Medicine, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University. Her educational background includes a Doctor of Medicine degree from Mahidol University (2007), a diploma of the Thai Board of Internal Medicine (2012), and a diploma of the Thai Board of Geriatric Medicine (2017). Her work experience involves working as a geriatrician in pharmacological and nutritional research. Her current and previous research interests include polypharmacy, inappropriate medications, drug interactions, adverse drug reactions, substance abuse, and nutrition in older adults. As a member of professional societies, she has participated in the Thai Society of Gerontology and Geriatric Medicine, the Royal College of Physicians of Thailand, the Thai Medical Council, and the Thai Ambulatory Medicine Association.