Dr. Merthan Tunay was born in 1979 in Gökçeada, Turkey. He received his MD from Çukurova University Faculty of Medicine (2002) and completed his residency in Family Medicine at the same institution (2015). He also holds a Bachelor's degree in Public Administration and Associate degrees in Justice and Elderly Care from Anadolu University. He is an ERC-certified Advanced Life Support Provider and has completed the EURACT Leonardo Level 1 Course for Teachers in Family Medicine. Since 2021, he has been serving as Senior Resident Physician at the Department of Family Medicine, Adana City Training and Research Hospital, University of Health Sciences. He is editor-in-chief of the Journal of Cukurova Anesthesia and Surgical Sciences (TR-Dizin). He has supervised over 25 residency theses and received the Lokman Hekim Achievement Award (2026). His research focuses on obesity management, group medical visits, lifestyle modification, planetary health, and medical education. He has published in Obesity Facts, Bosnian Journal of Basic Medical Sciences, and Journal of Family Medicine and Primary Care, among others, and contributed chapters to multiple national scientific books. ORCID: 0000-0003-2838-5531 | WoS ResearcherID: J-7151-2018