Hanno Pijl is an internist-endocrinologist at the Leiden University Medical Center (LUMC). He has been professor of Diabetology at the same institution since 2007. He practices internal medicine and has co-authored over 250 papers in peer-reviewed scientific journals, primarily related to obesity and type 2 diabetes. He was a member of the Dutch Health Council (standing committee on nutrition) from 2008 to 2016. He is a 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 january 2019, he has been a senior medical consultant to the Voeding Leeft Foundation.