Dr. Wildiers is Professor at the University Hospital Leuven, Belgium. He is a medical oncologist dedicated to breast cancer clinical research and development. He coordinates the Leuven multidisciplinary breast center since 2015. He has been the coordinator of several academic studies in the field of breast cancer and geriatric oncology and the author of more than 250 peer-reviewed papers. He has been active on the board of SIOG, the international society of geriatric oncology, for many years, and served this organization as president from 11-2018 to 10-2020. From 2009 to 2015, he has chaired the elderly task force cancer of the European Organization of Research and Treatment of Cancer (EORTC). He has more than 300 publications in international peer-reviewed journals.