UK Dementia Research Institute: London, London, GB 2017-09-01 to present | Associate Director
Imperial College London: London, London, GB 2014-07-01 to present | Edmond and Lily Safra Professor of Translational Neuroscience and Therapeutics (Division of Brain Sciences, Medicine)
Imperial College London: London, London, GB 2012-04-01 to present | Professor and Head, Division of Brain Sciences (Medicine)
Imperial College Healthcare NHS Trust: London, London, GB 2006-01-01 to present | Honorary Consultant (Neurology)
Oxford University Hospitals NHS Trust: Oxford, Oxfordshire, GB 1996-01-01 to present | Honorary Consultant (Neurology)
GlaxoSmithKline Plc: Brentford, London, GB 2012-07-01 to 2014-02-01 | Vice-President (joint with Imperial College) (Integrative Medicines Development )
Imperial College London: London, London, GB 2006-09-01 to 2013-03-01 | Professor of Clinical Neurosciences (Centre for Neuroscience, Medicine)
GlaxoSmithKline Plc: Brentford, London, GB 2011-10-01 to 2012-06-01 | Head (Global Imaging Unit (GIU), Center for Clinical Studies Excellence)
GlaxoSmithKline Plc: Brentford, London, GB 2005-10-01 to 2012-06-01 | Vice-President (Imaging)
GlaxoSmithKline Plc: Brentford, London, GB 2005-10-01 to 2011-10-01 | Head (GSK Clinical Imaging Centre (CIC))
GlaxoSmithKline Plc: Brentford, London, GB 2006-10-01 to 2008-03-01 | Vice-President (Imaging, Neurology and Genetics)
University of Oxford: Oxford, Oxfordshire, GB 2004-01-01 to 2005-01-01 | Head (Clinical Neurology)
Oxford Centre for Functional Magnetic Resonance Imaging of the Brain: Oxford, Oxfordshire, GB 1995-01-01 to 2005-01-01 | Director
University of Oxford: Oxford, Oxfordshire, GB 1995-01-01 to 1998-01-01 | Reader (Neurology)
McGill University: Montreal, QC, CA1993-01-01 to 1996-01-01 | Assistant Professor (Neurology and Neurosurgery and Human Genetics)