2012 - 2014 Senior Director at Max Super Specialty Hospital, Saket
2010 - 2012 Chairman Neurosurgery at Sir Ganga Ram Hospital
1999 - 2010 Professor at SGPGIMS, LKO
1987 - 1999 Additional Prof at SGPGIMS, LKO
1984 - 1987 Associate Prof at NIMHANS, Bangalore
1981 - 1984 Assistant Professor at NIMHANS, Bangalore
1977 - 1981 Resident Neurosurg at NIMHANS, Bangalore
1976 - 1977 Resident Gen Surg at KGMC, Lko
1975 - 1975 Internship at KGMC, Lko
1985 - 1986 Special Associate Professor at Fujita Health University
1999 - 1999 Visiting Professor at Fujita Gakuen Health University, Toyoake, Aichi, Japan.
2001 - 2001 Visiting Professor at University Hospital of Geneva, Geneva, Switzerland