A graduate of Glasgow University, Ian is a General Practitioner in Nottingham and was formerly Associate Specialist in the Overweight Clinic at the Nottingham University Hospital.

In 2000, to raise the profile of obesity as a public health crisis he founded the National Obesity Forum which he chaired till 2004, served as President till 2006 and was medical advisor to the All-Party Parliamentary Group on Obesity 2002-2005.
He has lectured on obesity in North America and Asia, and is visiting lecturer to Chester University. From 2006-2008 he was co-chair of the East Midlands Obesity Task Group, and is currently Honorary Medical Advisor to Weight Concern, and a member of the Department of Health’s Healthy Weight Delivery Committee.
Ian is co-author of Your Questions Answered: Obesity and author of www.fatmanslim.com, the first men-only weight loss programme. Presenter of Channel 4’s “Worlds Biggest Boy”, Ian is a regular contributor to national TV and radio.

Dr Marilyn Glenville PhD is the UK’s leading nutritionist specialising in women’s health. She is President of the Forum for Food and Health at the Royal Society of Medicine, a registered nutritionist, psychologist, author and popular broadcaster who obtained her doctorate from Cambridge University

Dr Glenville is a popular international speaker. As a respected author on women's healthcare she gives regular talks on radio and frequently appears on television and in the press.
She is the author of 8 internationally bestselling books (see below) many of which have become the standard reference books for practitioners and have sold over 500,000 copies which have been translated into over 20 languages.

Dr Glenville is author of 8 internationally bestselling books including:
Fat Around the Middle.
The New Natural Alternatives to HRT.
Healthy Eating for the Menopause.
Osteoporosis – the Silent Epidemic.
Getting Pregnant faster.
Natural Solutions to Infertility.
Overcoming PMS the Natural Way and The Nutritional Health Handbook for Women.

Samina Showghi is one the three experts who front Channel Five's The Diet Doctors: Inside & Out series 3.

Dr Samina Showghi qualified from University College and Middlesex School of Medicine in 1993.
She qualified as a post-graduate in Paediatrics, Obstetrics and Gynaecology and General Practice.
Dr Showghi has a number of years experience as a GP and she set up The Harley Street General Practice.
Dr Samina Showghi will deliver a number of talks about dieting at The Slimming Show and head up the Diet Doctors Clinic. Where visitors will be able to consult her and her colleagues on issues relating to dieting and weight-loss.