Dr. Gnanasegaran graduated in Medicine from Mysore Medical College, Karnataka, India. Completed MSc in Nuclear Medicine (Kings College London) and MD (University College London), London University. FRCP-Royal College of Physicians, London. Fellow British Institute of Radiology (FBIR).

Completed Nuclear Medicine Residency from Guy’s & St Thomas’ Hospital, London, UK. Appointed as Consultant in Nuclear Medicine & Molecular Imaging at Guy’s & St Thomas’ Hospital, London in 2007. He moved to Royal Free Hospital, London in 2016.?????????????????????????????????????

He was appointed as the first education chair of the British Nuclear Medicine Society, UK. He has written and co-edited several scientific papers and books on nuclear medicine.

Dr. Gnanasegaran is member of the Oncology Committee European Association for Nuclear Medicine (EANM) and Member of Leadership SIG British Institute of Radiology.