Mr Selvasekar works as a Laparoscopic, Colorectal and Robotic Surgeon at the Christie NHS Foundation Trust. He practices laparoscopic and robotic colorectal surgery for benign and malignant colorectal conditions, and he offers laparoscopic repair for suitable abdominal wall hernias including TEP procedure. He is an accredited screening colonoscopist through the national bowel cancer screening programme and offers regular diagnostic and therapeutic endoscopies. He practices minimally invasive and relatively painless treatment for haemorrhoids including (HALO/THD) and Rafaelo procedure, as well as laparoscopic splenectomy and cholecystectomy.

He trained in the North West region of the UK, and he did a year of advanced colorectal clinical fellowship at the Mayo Clinic, USA to learn comprehensive management of colorectal conditions. He did years of clinical research at University College London on premalignant conditions leading to the title of Doctor of Medicine. He also visited IRCAD Centre in Strasbourg, University of Chicago, St Mary’s Hospital and Seoul as a travelling fellow to broaden his clinical and academic experience. .

He is the recent-past convenor of education and Wade Professor of Surgical Studies at the Royal College of Surgeons of Edinburgh, involved in strategic decision making in surgical education. He is an examiner at the Royal College of Surgeons of Edinburgh. He is also a council member for NW and Mersey for the Association of Laparoscopic Surgeons of GB and Ireland and involved in increasing the uptake of minimal access surgery regionally, and an honorary senior lecturer position at the University of Manchester. .