Dr. Raj Palaniappan is a senior bariatric and robotic surgeon and Director and Lead Surgeon at Apollo Hospitals, Chennai. He specializes in metabolic and gastrointestinal surgery, including advanced laparoscopic, single-incision and robotic procedures. His clinical work spans the full spectrum of metabolic and gastrointestinal surgery, and he is recognized for pioneering several bariatric techniques in India. Patients can contact his practice to arrange consultations and receive surgical care.

Through BAROS Surgery, his flagship initiative, Dr. Raj provides advanced clinical care and trains surgeons through education, workshops and fellowships. The BAROS Trust supports patients who need financial assistance, while patient support groups and public awareness activities extend care beyond the operating room. His #RECLAIMLIFE initiative promotes obesity awareness and healthier living. He also founded FABHEALTH, an edible supplement brand developed to address nutritional needs.

A researcher and inventor, Dr. Raj contributes to medical publications and has developed surgical techniques and innovations.