Rolf A. Stahel, was a founding member and the first President of the Swiss Society for Medical Oncology. He served as President of the Swiss Institute for Applied Cancer Research from 1999 to 2005.
He is a member of the International Association for the Study of Lung Cancer (IASLC), where he served as Chair of the Fellowship Committee and as member of the Board of Directors 2009-2013. In the European Society for Medical Oncology (ESMO) he served as National Representative for Switzerland from 1998-2004, he chaired the ESMO Task Force on Guidelines from 1999-2005 and the ESMO Educational Committee 2006-2011. Since 2003 he is a member of the ESMO Executive Board, serving as President-elect 2012-2013, President 2014-2015 and Past-President and Chair of the Membership Committee 2016-2017.
Since 2008 he is President of the Foundation Council of the International Breast Cancer Study Group (IBCSG). Since 2009 he is President of the European Thoracic Oncology Platform (ETOP), a foundation with the aim to bring together European collaborative groups and institutions focusing on research on thoracic malignancies.
He is Editor in-Chief of Lung Cancer and Editor of Cancer Treatment Reviews and Progress in Tumour Research.