Wim Tissing did his pediatric training and his pediatric oncology fellowship in the Erasmus MC / Sophia Childrens hospital in Rotterdam, and has been working there as pediatric oncologist since 2000. His PhD (2006) focused on prednisone resistance in childhood ALL. In 2005 he moved to the University Medical Center Groningen. Next to his work as pediatric oncologist, he established his research line on supportive care in childhood oncology. He was appointed associate professor in 2012 and heads the department of pediatric oncology since 2017. Since june 2018 he still works for 2 days per week in the University Medical Center Groningen, and is appointed for 3 days per week in the Princess Máxima Center as principal investigator for supportive care studies and chair of the clinical supportive care group, responsible for the supportive care in the 3 clinical departments. He co-chairs the IPOG group (international group for the development of guidelines for supportive care in pediatric oncology) with Dr Lee Dupuis, Toronto and is associate editor of the Supportive care in cancer journal.