He is a chairman of the European Society of Preventive Medicine, a non-profit charity dedicated to clinical preventive medicine and the prevention of chronic diseases, a member of the European Union Platform for Action on Diet, Physical Activity and Health, a partner of the European Innovation Partnership on Active and Healthy Ageing, and member of the European Organization for Nuclear Research (CERN) OpenLab. Dr. Sagner is a member of the board of directors of the International Society for P4 Medicine, which is dedicated to applying systems medicine in clinical practice.