Carl J. Brandt is one of the pioneers in behavioural change through eHealth. In 2000 Carl co-founded the successful Internet site NetDoctor.co.uk followed by a number of other successful eHealth services including SlankeDoktor, SundhedsDoktor and Liva Healthcare in 2015. Liva Healthcare Ltd. has proven successful in the NHS National Diabetes Prevention Programme (NDPP). Carl is working as a GP and is employed part-time at the Research Unit for General Practice at the University of Southern Denmark as head of the Digital Health Research Group.