Dr Ian Lake is a British GP who is committed to providing information to people with type 1 diabetes on low carbohydrate diets. He has the condition and finds that nutritional ketosis is a good way of controlling diabetes with minimal carbohydrate. He is the author of a programme on LCHF conversion in Type 1 diabetes, which will be online from the winter of 2016. He is a founder member of the Public Health Collaboration.