Dr Suneil Aggarwal is a Cardiologist specialising PFO closure and other congenital heart disease interventions, along with interventions for valve disease. He qualified with multiple distinctions and prizes from University College London in 2002 and completed his postgraduate training in Oxford, India (Puttaparthi) and London. He completed an MD research degree from University College London and a 2 year fellowship in congenital and valve interventions at The Heart Hospital and Barts Heart Centre in 2015. 

He had been practicing as Lead for Structural Intervention in Liverpool for the last 9 years, where he developed the service into one of the largest in the UK. He has now relocated to Barts Heart Centre to practice at what is one of the largest cardiac centres in Europe. He is actively involved in research and training of the next generation of interventional cardiologists, and is regularly invited to speak around the world. As well as this, he regularly participates in voluntary work abroad. 

His reputation amongst his peers is reflected in twice being elected to the Council of the British Cardiovascular Intervention Society, the national society for Interventional Cardiologists, where he remains very active.