Dr. S. Natarajan hails from a long line of Ophthalmologists. His father Dr. N. S. Sundaram and grandfather, Dr. Nataraja Pillai, were Ophthalmologists of high standing in Chennai.

This third generation of Ophthalmologist did his MBBS from Chennai. In 1982, he completed his post graduation in Ophthalmology from Chennai. From 1984 to 1988, he worked as a Vitreo Retinal Surgeon, under Dr. S. Badrinath, at the Sankara Nethralaya, Chennai. In 1988, he joined the Taparia Institute of Ophthalmology, Bombay Hospital and continued his work there till 1990. Later that year, he took the decisive step of laying the foundation stone of Aditya Jyot Eye Hospital and has continued servicing the institution in his capacity of Director, Surgeon and guide to a large community of Vitreo Retinal Specialists.

He is one of the most high profile young surgeon and has received accolades from around the world. He has maintained keen interest in academics throughout his clinical practice.

Dr. S. Natarajan won the election for The Scientific Committee Chairman, AIOS for the Second Term with a thumping majority, 850 out of the 1100 votes. A Triple feat is being elected as the Scientific Committee Chairman, MOS & The Scientific Convener, BOA.