Hanno Pijl is an internist-endocrinologist at the Leiden University Medical Center (LUMC). He is professor of Diabetology at the same institution since 2007. He practices internal medicine, and co-authored over 250 papers in peer reviewed scientific journals, primarily related to obesity and type 2 diabetes. He has been a member of the Dutch Health Council (standing committee on nutrition) from 2008-2016. He is former president (2014-2017) of the Dutch Obesity Partnership, an umbrella organization connecting all stakeholders involved in obesity care in the Netherlands. He currently co-chairs the Dutch Innovation center for Lifestyle Medicine (www.nilg.eu), a joint effort of LUMC and the Dutch Organisation of Applied Science (TNO) focusing on lifestyle interventions in health care. Since januari 2019 he is senior medical consultant to the Voeding Leeft Foundation.