After graduating in 1989, Peter remained at Glasgow University as a Research Scholar and then Lecturer in Clinical Pathology until 1996 obtaining his PhD on Canine Diabetes in 1995. Subsequently, he was Assistant Professor of Diagnostic Endocrinology at Michigan State University and awarded DipECVCP in 2002. He was Managing Director of Nationwide and Cambridge Specialist Laboratory Services 2002-2014, and is now Professor of Endocrinology and Clinical Pathology, University of Nottingham. He has worked in the field of clinical endocrinology for more than 30 years.