Dr Surendran Thavagnanam is a Consultant in Paediatric Respiratory Medicine at the Royal London Children's Hospital, Barts Health NHS Trust. He assesses and treats children with complex respiratory disorders, sleep-disordered breathing and chronic respiratory failure, with specialist interests in paediatric sleep medicine and long-term ventilation.

His clinical interests include obstructive sleep apnoea, sleep-related hypoventilation and neuromuscular respiratory disorders. He provides multidisciplinary care for children requiring non-invasive or invasive ventilation, including CPAP, BiPAP and tracheostomy ventilation.

Dr Thavagnanam graduated from Queen's University Belfast in 2000 and completed specialist paediatric and respiratory training. His advanced training included the Hospital for Sick Children in Toronto and a fellowship in paediatric sleep medicine at Sydney Children's Hospital.

He was an Associate Professor at the University of Malaya from 2012 to 2018, before joining the Royal London Children's Hospital in 2018. He leads its Paediatric Sleep and Long-Term Ventilation Services and has interests in research, education, home ventilation pathways and transition to adult services.