Professor Logan is the Chair of NHS Grampian having previously been Senior Vice-Principal of the University of Aberdeen where, as a neurophysiologist, his research interests were in the way the brain controls blood pressure, memory and appetite. He has published more than 100 scientific articles and has served on Research Council, Wellcome Trust and Health Department advisory panels. He is currently a board member of the Economic Development Organisation, Opportunity North East (ONE) where he chairs the Life Sciences Board and of WisTa Laboratories Ltd. and PoreDeen Pte Ltd (TauRx group companies).