Professor David Smith

Professor David Smith is emeritus Professor of Pharmacology at Oxford. He held the Chair of Pharmacology for 21 years before he retired in 2005. In 1985 the Medical Research Council appointed him Honorary Director of the newly established Anatomical Neuropharmacology Unit in Oxford, which has pioneered ways of studying neural networks in the brain. In 1988 he established the Oxford Project to Investigate Memory and Ageing (OPTIMA) – a clinicopathological longitudinal study. Alzheimer’s disease remains his main research interest today and he was the first Chairman of the Scientific Advisory Board of Alzheimer’s Research, UK. He currently chairs the Scientific Advisory Board of the Food for the Brain charity.


Patrick Holford 

Patrick Holford, BSc, DipION, FBANT, NTCRP, is a pioneer in new approaches to health and nutrition. He is a leading spokesman on nutrition in the media, specialising in the field of mental health. He is the author of 37 books, translated into over 30 languages and selling millions of copies worldwide, including The Optimum Nutrition Bible, The Low GL-Diet Bible, Optimum Nutrition for the Mind and The 10 Secrets of 100% Healthy People, 10 Secrets of Healthy Ageing and Good Medicine. 

Dr William walsh

William J. Walsh, PhD, FACN, president of the non-profit Walsh Research Institute, is an internationally recognized expert in the field of nutritional medicine and a key scientist paving the way for nutrient-based psychiatry and nutritional medicine.  Over the past 30 years, Dr. Walsh has developed biochemical treatments for patients diagnosed with behavioral disorders, attention deficit (hyperactivity) disorder, autism, clinical depression, anxiety, bipolar disorders, schizophrenia, and Alzheimer’s disease that are used by doctors throughout the world.  His book, Nutrient Power: Heal Your Biochemistry and Heal Your Brain (Skyhorse Publishing, 2012), describes the evidence-based nutrient therapy system.



Dr Leslie Korn

Leslie Korn, PhD, MPH has a clinical practice in mental health nutrition and traumatology and has provided over 50,000 hours in private practice in nutrition, bodywork and psychotherapy  She introduced somatic therapies for the treatment of mental illness at Harvard Medical School in 1985.  Her PhD is in Behavioral Medicine. She is a Certified Nutritional Therapy Practitioner, National Board Certified in Polarity therapy, and  in Therapeutic Massage and Bodywork and is a licensed mental health counselor and National approved clinical supervisor. She completed her graduate training at Harvard Medical School, and the Harvard School of Public Health. For over 25 years she directed a natural medicine clinic in the jungle of Mexico. In addition to her clinical practice, she educates and coaches clinicians in the application of mental health nutrition and integrative approaches for mental health. She is the author of Nutrition Essentials for Mental Health: A Complete Guide to the Food-MoodConnection, Rhythms of Recovery: Trauma, Nature and the Body,  Eat Right, Feel Right, Multicultural Counseling Workbook,  Preventing and Treating Diabetes, Naturally: The Native Way and her latest book The Good Mood Kitchen.


Dr Gill Hart

Dr Gill Hart BSc (Hons), PhD, Cert Mgmt (Open), FIBMS is an expert Biochemist with over thirty years’ experience in the development, validation and evaluation of diagnostic tests and testing services. Gill started her career as Senior Biochemist at the Hammersmith Hospital, London, UK and subsequently worked for a number of R&D companies responsible for the development and validation of unique diagnostic tests for hospital and consumer use. Gill joined the YorkTest team in 2005, and has applied her scientific and regulatory knowledge to all YorkTest services. Gill regularly gives talks and lectures and provides CPD training, and has written many articles and white papers published in scientific journals and magazines.



Dr Marilyn Glenville

Dr Marilyn Glenville Bed (Hons), MA, PhD is a Fellow of The Royal Society of Medicine, a nutritionist, psychologist, author and broadcaster who obtained her doctorate from Cambridge University. She is the former Chair of the governing council for the British Association of Nutritional Therapists and former chair for Foresight the Association for the Promotion of Pre-conceptual Care. She is also a member of the Nutrition Society. For over twenty five years Dr Glenville has studied and practised Nutritional Therapy, both in the UK and in the USA, specialising in the natural approach to female hormone problems. She has had several papers published in scientific journals, frequently advises health professionals and often lectures at academic conferences held at The Medical Society and the Royal College of Physicians and The Royal College of Surgeons. She is also a popular international speaker. As a respected author on women's health care she gives regular talks on radio and has often appeared on television and in the press


Dr Julia Rucklidge

Julia is a professor of clinical psychology in the Department of Psychology at the University of Canterbury, Christchurch in New Zealand. 

Since 2000, Julia has been teaching the child psychology program and introduced the topic of mental health and nutrition into the wider psychology program. Her interests in nutrition and mental illness grew out of her own research showing poor outcomes for children with significant psychiatric illness despite receiving conventional treatments for their conditions. Julia has published many peer reviewed scholarly articles on nutrition and psychiatric health.