Maarten Egeler is an internationally recognized expert in the treatment and research of stem cell transplantation, histiocytic diseases, and bone tumors. He graduated from the University of Leiden and completed his residency in Paediatrics in Amsterdam. His PhD was on “Langerhans cell histiocytoses and other histiocytic disorders” and he has served as an Associate Professor of Oncology and Pediatrics at the Southern Alberta Children’s Cancer Program of the University of Calgary, Canada and as a former Director of the Division of Pediatric Immunology, Hematology, Oncology, Bone Marrow Transplantation and Auto-immune disease at the Leiden University Medical Center.

Professor Egeler is the current Head at the Stem Cell Transplantation section within the Division of Hematology and Oncology at The Hospital for Sick Children (SickKids) in Toronto. He is a member of the Garron Family Chair in Childhood Cancer Research and a professor at the University of Toronto. He has authored and co-authored more than 225 manuscripts and chapters in national and international journals, with highlights in Blood, Journal of Experimental Medicine, Nature Reviews and Nature Medicine and has served for a decade as Board Member of the Pediatric Diseases Working Party of the European Group for Blood and Marrow Transplantation (EBMT).

He has been President of the International Society of Pediatric Oncology (SIOP), the President of the international Histiocyte Society (Board-member for 12 years), and President of the Dutch Childhood Oncology Group (DCOG) (active Board-member for 10 years). Currently he is active within the Oncology Disorders Strategy Group and the Cellular Therapeutic Strategy Group of the Pediatric Blood and Marrow Transplant Consortium (PBMTC). Maarten Egeler co-chairs the Nikolas Symposium Steering Committee along with Barrett Rollins.