Doug is the faculty director at the academy. Now retired, Doug was previously consultant physician in the Department of Neurology in Coventry having worked in Cornwall before that. He has particular interests in Parkinson’s, and dementia. He has previously been chair of the British Geriatrics Society (BGS) policy committee, inter-disciplinary committee, and movement disorder/Parkinson’s section. He is a member of steering groups for non-motor symptoms, PD life (quality of life) studies. He is also a member of several editorial boards (including geriatric medicine, progress in neurology & psychiatry, PD forum) and was a member of the NICE PD Guidelines Development Group. Dr MacMahon has written over 100 publications and 25 book chapters, predominantly on PD and its management and on health care policy for older people. He has researched most of the drugs used in PD and dementia, presented at numerous national and international meetings, and pioneered PD specialist nursing and the Academy of Masterclasses in PD for the BGS PD Section. He has chaired and spoken at many national meetings and is a regular contributor to ‘Medicine for Old Age Psychiatrists’ and Parkinson’s Academy Masterclasses and is a trustee of Parkinson’s UK and has established their clinical advisory panel, and previously the PDS nurse steering group.