2018-now: Professor, medical oncologist, Head of department of Medical Oncology (2021-), Group Leader, Netherlands Cancer Institute (NKI-AVL), Amsterdam.From 1.1.2021 also Professor of Medical Oncology at Erasmus MC, Rotterdam. 2015-2018: Professor of Personalized Oncology at Institute of Cancer Research (ICR) London, UK; Sarcoma Research, Honorary Consultant Medical Oncology Royal Marsden Hospital London, Sarcoma Unit and Drug Development Unit. Professor of Medical Oncology at Radboudumc, Nijmegen, the Netherlands until 31.12.2020.2007: Full Professor of Medical Oncology and Head of Department 2010-2015, Radboud University Medical Center, Nijmegen, the Netherlands2000: Associate Professor of Medical Oncology at University Medical Center of Groningen1993: PhD, University of Groningen, thesis "Circumvention of Multidrug resistance in Cancer " 1992-2007: Medical oncologist, Department of Medical Oncology, University Medical Center Groningen, The Netherlands2022- EORTC President2022- European Cancer Organisation (E.C.O.) Board member2021- Connective Tissue Oncology (CTOS) Board Member2015 EORTC- Board member; 2018 Board Member - Translational research and Patient Involvement in research2011-2014 EORTC Chairman Soft Tissue and Bone Sarcoma GroupESMO Sarcoma Faculty Sarcoma Patients Euronet (SPAEN) Advisory BoardSarcoma research: Pathways to Diagnosis; Lab Research; Translational and Clinical StudiesCancer of Adolescent and Young Adult (AYA) agePatient Reported Outcomes Measures