Dr. G. R. Letchuman A/K Ramanathan is a distinguished Professor of Medicine and a leading Endocrinologist with extensive experience since 1987. He is renowned for his expertise in Endocrine, Diabetes, and Obesity Clinics, and his significant contributions to research in diabetes therapeutics, endemic goitre, and patient safety. As President of the College of Physicians and a Fellow of the Academy of Medicine, Malaysia, he demonstrates exceptional leadership in medical education and practice, actively training future physicians and speaking at national conferences.