Senior Consultant – APCC, Chennai

Faculty(Lecturer) Department of Neurological Sciences, Christian Medical College & Hospital, Vellore, India, from April 1989 to April 1991

Consultant Neurosurgeon, Tamilnadu Hospitals, Chennai, India, from May 1991 to August 1996

Senior Consultant Neurosurgeon, Apollo Specialty Hospital, Chennai, India, from September 1996 to August 2012

Chief Executive Officer & Director of Neurosciences, SRM Institutes of Medical Sciences, Vadapalani, Chennai, India, from September 2012 to October 2013

Director and Head of Department of Neurosciences, Apollo Speciality Hospital, Vanagaram and OMR, Chennai from March 2014 to till date

In charge of the DNB Neurosurgery teaching programme, Apollo Speciality Hospitals, Chennai, from October 2015 to till date

Principal Investigator Institutional Ethics Committee-Clinical Studies – Apollo Hospitals, from 2015 to till date

Honorary Professor of Neurosurgery, Government Medical College, IIT Kharagpur

Member of the Educational Board, Neurological Society of India

Member of the Steering Committee, Postgraduate Institute of Medical Sciences, IIT Kharagpur

Member of Neurosurgical society of India – GNS -33

Member of Paediatric Neurosurgical Society of India

Member of Congress of Neurological Surgeons -4746

Life Member of Skull Base Society of India - SBSSI-132

Chairman - Indian Chapter Walter E Dandy International Neurosurgical Society