Professor Lewis Chan is Head of Urology at Concord Repatriation General Hospital and Clinical Professor of Surgery at University of Sydney.

He has formal ultrasound qualifications and his subspecialty interests are bladder dysfunction, female urology and urological imaging. He is active in basic sciences and clinical research in bladder dysfunction with ageing and is a urology investigator for the Concord Health and Ageing in Men (CHAMP) Project.