Dr. M. D. S. Sasidharan is the Clinical Lead & Senior Consultant – Department of Spine Surgery at Iswarya Hospital, OMR, Chennai, with over 12 years of exclusive experience in the diagnosis and treatment of spinal disorders. A fellowship-trained spine surgeon, he is dedicated to delivering world-class, patient-centric spine care by combining cutting-edge technology with evidence-based clinical practice. He is internationally trained in India, Germany, and South Korea, with prestigious fellowships including the Association of Spine Surgeons of India (ASSI) Fellowship, AO Spine Fellowship, and advanced training in Endoscopic Spine Surgery. He is among the select spine surgeons trained in Vertebral Body Tethering (VBT), an advanced motion-preserving, non-fusion technique for scoliosis correction. Dr. Sasidharan is widely recognized for his expertise in ultra-minimally invasive endoscopic (keyhole) spine surgery, robotic-assisted spine surgery, navigation-guided spinal procedures, motion-preserving spine surgery, complex revision spine surgery, and adult & pediatric scoliosis correction. His treatment philosophy emphasizes preserving normal anatomy, minimizing surgical trauma, reducing postoperative pain, and enabling faster recovery. Over the course of his career, he has successfully performed more than 5,000 major and minor spine procedures, managing conditions ranging from simple disc prolapse to highly complex spinal deformities and revision surgeries. Dr. Sasidharan is an Executive Committee (EC) Member of the Association of Spine Surgeons of India (ASSI)—one of the country's most prestigious spine societies. He is regularly invited as faculty, keynote speaker, moderator, and panelist at national and international spine conferences, where he shares his expertise in endoscopic spine surgery, minimally invasive techniques, scoliosis correction, and advanced spinal technologies. Beyond his surgical practice, he is actively involved in clinical research, international scientific publications, surgeon education, and academic training, contributing to the advancement of modern spine surgery through innovation and evidence-based medicine. With his combination of international training, advanced technology, academic excellence, and high-volume surgical experience, Dr. Sasidharan is committed to setting new standards in comprehensive spine care and making Iswarya Hospital a premier destination for advanced spine surgery in India.