Carien Creutzberg is Professor of Radiation Oncology at Leiden University Medical Center. She is specialised in research and treatment of gynaecological cancers, and has been initiator and principal investigator of the four PORTEC trials. She is member of the Dutch Cancer Society Advisory Board, chair of the GCIG Endometrial Cancer Committee, ESMO Gynae Faculty member and past Council member of ESGO and IGCS. Her research on treatment of endometrial cancer has had impact on treatment guidelines and research programs worldwide.