Dr. Byeongzu Ghang is an Associate Professor of Internal Medicine at Jeju National University and a board-certified rheumatologist. He earned his medical degree from Yonsei University and completed his residency and fellowship at Asan Medical Center, Korea’s largest tertiary hospital. With a PhD in medical science from Ulsan University, Dr. Ghang has published extensively in leading international journals on topics including gout, interstitial lung disease, and autoimmune disorders. He is the founder and CEO of InDream Healthcare Inc., a digital health startup focused on safe prescribing and clinical decision support. Dr. Ghang serves on multiple national committees, including the Research and Information Committees of the Korean College of Rheumatology and the COVID-19 Vaccine Safety Committee of the Korean Academy of Medical Sciences. His research is recognized for its originality and clinical relevance, and he continues to drive innovation at the intersection of rheumatology, digital health, and patient safety.