Glen graduated from the Institute for Optimum Nutrition in 2001 and has been in practice for 8 years.
Glen holds nutrition clinics in Norwich and London. As well as a busy practice, Glen teaches and lectures at a number of colleges, works as a tutor for Norfolk Adult Education and holds regular nutrition seminars for the general public.
Glen also works in the media and has appeared on a number of TV series and radio shows and writes for a variety of publications. His first book, 100 Foods You Should Be Eating, will be published later this year.