Dr David Williams is a Consultant Obstetric Physician at The Institute for Women's Health, University College London Hospital, and at 78 Harley Street, London. He specialises in maternal medical disorders in pregnancy, with a focus on safe prescribing and fetal wellbeing to ensure successful pregnancy outcomes. Dr Williams is highly experienced in managing pregnant women with a wide range of medical disorders and gestational syndromes.

At UCLH, Dr Williams leads multi-disciplinary teams in the management of kidney, rheumatology, gastroenterology, and neurological conditions in pregnancy. He provides guidance to women with chronic diseases who are planning pregnancy, ensuring optimal health and safe treatment during pregnancy and post-partum.

Dr Williams has held significant roles, including chairman of the NICE Guideline for intrapartum care of pregnant women with medical disorders and expert member of the guideline on Management of Hypertension in Pregnancy. He is also a member of the UK Independent Advisory Group on maternal and neonatal morbidity and mortality and a past chairman of the UK Obstetric Medicine Society.

His research team is dedicated to investigating the causes and targeted management of pre-eclampsia, acute fatty liver of pregnancy, and inflammatory placental conditions. Dr Williams has a particular interest in the long-term consequences of gestational syndromes on women's future health and the role of paternal health on fetal growth. His research is funded by the MRC, UCL/UCLH Biomedical Research Centre, the Rosetrees Trust, Wellbeing of Women, BMA, and industry partnerships.

His dedication to maternal health and extensive expertise make him a leading figure in obstetric medicine.