Registrar, Internal Medicine, Sundaram Medical Foundation, Chennai, Consultant Physician, Meenakshi Mission Hospital and Reseach Centre, Madurai, Registrar, Nephrology, Apollo Hospital, Chennai, Senior Resident, Nephrology, SGPGI, Lucknow, Associate Professor of Nephrology, Sri Venkateshwara Institute of Medical Sciences, Tirupati, ISPD Fellow, Toronto Western Hospital, Toronto, Ontario, Canada, RENAL Fellow, Singapore General Hospital, Singapore, Staff physician and Nephrologist, National Kidney Foundation, Singapore