David James is Professor of Fetomaternal Medicine at the University of Nottingham from 1992 to 2009. 

That post involved clinical service especially high-risk pregnancy management, guideline development, research and teaching and NHS management. From 2009-2014 he was Clinical Co-director of National Centre for Clinical Excellence for Womens’ and Childrens’ Health and Clinical Lead for RCOG/RCM/eLfH eFM–E-Learning Project. He is a recognised authority on problem pregnancy management with over 150 peer review publications. He has published several books, the best known and most successful being ‘High Risk Pregnancy – Management Options’. The fifth edition was published in 2018. 

Philip Steer is Emeritus Professor of obstetrics at Imperial College London, having been appointed Professor in 1989. 

He was a consultant obstetrician for 35 years. He was Editor-in-Chief of BJOG – an International Journal of Obstetrics and Gynaecology - from 2005-2012, and is now Editor Emeritus. He has published more than 150 peer reviewed research papers, 109 reviews and editorials and 66 book chapters/books, the best known and most successful being ‘High Risk Pregnancy – Management Options’. The fifth edition was published in 2018. He has been President of the British Association of Perinatal Medicine and President of the Section of Obstetrics and Gynaecology of the Royal Society of Medicine. He is an honorary fellow of the College of Obstetricians and Gynaecologists of South Africa, and of the American Gynecological & Obstetrical Society.  

Carl Weiner is presently Head of Maternal Fetal Medicine for the CommonSpirit Health System, Arizona, Director of Maternal Fetal Medicine, Dignity St Joseph's Hospital, Professor, Obstetrics and Gynecology, Creighton School of Medicine, Phoenix, and Professor, College of Health Solutions, Arizona State University.  

He is the former Krantz Professor and Chair of Obstetrics and Gynecology, Division Head Maternal Fetal Medicine and Professor Molecular and Integrative Physiology at the University of Kansas School of Medicine, Kansas City, KS and the Crenshaw Professor and Chair of Obstetrics, Gynecology and Reproductive Biology, Division Head Maternal Fetal Medicine, and Professor of Physiology at the University of Maryland School of Medicine Baltimore.  Dr Weiner has published 265 peer reviewed research articles and authored / edited 18 textbooks including HIGH RISK PREGNANCY: Management Options now entering its 6th Edition.  His research was extramurally funded for more than 30 years without interruption.  

Stephen C Robson is Professor of Fetal Medicine for the Institute of Cellular Medicine, Reproductive and Vascular Biology Group at The Medical School, Newcastle University. 

He is also a Consultant in Fetal Medicine for Newcastle upon Tyne Hospitals NHS Foundation Trust. He has published over 111 peer-reviewed articles and edited the highly successful book High Risk Pregnancy: Management Options. The 5th Edition was published in 2018