Professor Dasgupta has been Head of Rheumatology and Director of Research at Southend University Hospital and holds professorships at Queen Mary London, Essex and Anglia Ruskin Universities. He is a foremost exponent on Giant cell arteritis, polymyalgia rheumatica and large vessel vasculitis and expert on vascular ultrasound. He has published over 350 original articles on these topics including the first report of interleukin-6 elevation in GCA PMR and the GiACTA trial of tocilizumab in GCA. He organizes the prestigious annual Southend symposia/workshops on GCA ultrasound.