Dr Lobstein is an occasional consultant to the World Health Organization, the European Commission, the UK government’s Public Health England and various other authorities and non-governmental organisations internationally. He is the author of chapters on food policy and obesity in international text books, the author or co-author of more than 50 papers in peer-reviewed journals, and the author of several popular books on food and nutrition. Dr Lobstein has special interests in child obesity, on marketing food and beverages to children, on nutrition policies and programmes, and on health inequalities and income disparities. He has been Principal Investigator on two European Commission-funded projects on food policy and child health, an advisor on two further EC-funded projects on obesity policies, and a Work-package Leader on six EC-funded projects related to nutrition, obesity prevention and treatment, and health impact assessment. Dr Lobstein has extensive experience in policy analysis, policy dissemination, evidence reviews and advocacy.