Professor Lamont has more than 38 years experience in the NHS. He qualified at the University of Edinburgh (1977) and trained in Edinburgh, London and Southampton. He became Consultant in Obstetrics and Gynaecology at Northwick Park Hospital in London (1988), obtained his Doctorate Degree (1989) and has published over 200 research papers. He is the co-editor of a book on Preterm Labour and has written 33 chapters in books edited by others. He has held or currently holds Professorships and other Faculty appointments at Imperial College London, University College London, The Perinatology Research Branch, NICHD/NIH/DHHS, Department of Obstetrics and Gynecology, Wayne State University, Michigan, USA and Institute of Clinical Research, University of Southern Denmark. He has an international reputation in the field of preterm birth, particularly pertaining to infection and antibiotics in the etiology, prediction and prevention of preterm birth, and is an Official Spokesman for the Royal College of Obstetricians and Gynaecologists. Professor Lamont is on the editorial board of a number of peer reviewed journals, and referees for a number of Grant-awarding bodies and more than 30 UK and overseas journals. He has given over 130 lectures by invitation in 36 countries in The Americas, Europe, Africa, Middle East, Far East and South-east Asia and has acted as internal and external examiner in Undergraduate and Postgraduate examinations both in the UK and overseas.

He has advised Government departments, Royal College study groups and National and International Working Parties on management, research and treatment guidelines. Recently, (2009-2011) he spent 18 months in the USA on Sabbatical as Full Professor at the Perinatology Research Branch of the NICHD, fully funded by the US National Institutes of Health (NIH).