Officers of the British Thyroid Association

Professor Simon Pearce

President - Professor Simon Pearce, MD, FRCP

Simon Pearce is a Professor of Endocrinology at Newcastle University with a research interest in Addison’s disease (adrenal gland failure) and autoimmune thyroid diseases. He qualified in medicine at Newcastle University, completed his postgraduate education at the Royal Postgraduate Medical School in Hammersmith, Brigham & Women’s Hospital in Boston, and as a Lecturer in Newcastle. He was appointed Senior Lecturer in Endocrinology in 2001 at Newcastle University and became Professor in 2007.


His main research area is the treatment for autoimmune thyroid diseases and Addison’s disease. He has published around 150 papers over the last 20 years spanning molecular endocrinology, clinical trials, and guideline papers.


Dr. Pearce works nationally and internationally on the executive committees for both the British and European Thyroid Associations. He is Editor in Chief of the European Thyroid Journal. The main theme of his current research program is to develop new treatments for autoimmune thyroid diseases and Addison’s disease.


  • Professor Bijay Vaidya

Secretary - Professor Bijay Vaidya PhD, FRCP

Bijay Vaidya is a Consultant Endocrinologist at the Royal Devon & Exeter Hospital, and an Honorary Clinical Professor at the University of Exeter Medical School in Exeter. He obtained his undergraduate medical degree from the Darbhanga Medical College, India. He completed specialist training in endocrinology, diabetes and general medicine in Cardiff, Middlesbrough, and Newcastle upon Tyne, and received a PhD degree from the University of Newcastle for his studies on genetics of autoimmune endocrine disorders.


He has longstanding clinical and research interest in thyroid diseases, particularly thyroid disorders in pregnancy, and co-authored over 130 papers in peer-reviewed journals. He has served as treasurer and an executive committee member of the British Thyroid Association, a member of the Society for Endocrinology (SfE) clinical committee and a convenor for the SfE Clinical Update (thyroid strand). He is an executive committee member of the European Thyroid Association and a member of the SfE programme committee. He has served as a member of guideline development task forces for the NICE, the Royal College of Physicians, the European Thyroid Association, and the European Group for Graves’ Orbitopathy. He is a joint editor-in-chief of the journal, Thyroid Research