Associate Professor Stephen Reddel is a staff specialist neurologist at Concord Repatriation & General Hospital Sydney, and consultant neurologist at the Brain & Mind Centre, University of Sydney. He trained in neurology at Royal Prince Alfred Hospital, Sydney, and at the Radcliffe Infirmary, Oxford, and has a PhD in the immunology of the Anti-Phospholipid Syndrome.

He heads the neuroimmunology clinic at Concord Hospital, which specialises in the safe treatment of neurological conditions requiring immunotherapy, including multiple sclerosis, myasthenia gravis, chronic inflammatory demyelinating polyneuropathy and a host of rarer diseases.