Dr Rajasekaran is the Chairman of the Department of Orthopaedics & Spine Surgery, Ganga Hospital, Coimbatore, India and Adjunct Professor of Orthopaedic Surgery, The Tamilnadu Medical University. 

Dr Rajasekaran holds several administrative and academic positions in Spine Surgery. He is the Current President of the Association of Spine Surgeons of India,  President Elect of Indian Orthopaedic Association, President of the World Orthopaedic Concern, UK, President of Computer Assisted Orthopaedic Surgery Society, India,  and Founder Chairman of Trauma Section of Asia Pacific Orthopaedic Association. He has also been elected as the Hunterian Professor 2011-12 by the Royal College of Surgeons of England.

Dr Rajasekaran heads one of the largest clinical and research units in Spine Surgery in South Asia. His research interests relate to disc biology and nutrition, Diffusion Tensor Imaging of the Spinal Cord, Genetic basis of disc degeneration and kyphotic deformities in spinal tuberculosis on which he has 151 publications in international journals.  He has authored many chapters in Textbooks and is the Chief Editor of a Video Atlas in Spine Surgery and Chief Editor of ASSI Textbook of Spinal Infections & Trauma. 

Dr Rajasekaran is the Deputy Editor, SPINE, USA and serves as a Editorial Board Member of European Spine Journal,  Journal of Craniovertebral Surgery and Journal of Orthopaedic Science, Japan.  He is the recipient of many awards in spine research which  include the ISSLS Award for 2004 & 2010, EuroSpine Open Paper Award in 2008, APOA Award in 2007 and Sofamer Danek Award of ISSLS for the years 1996, 2002 and 2006.