Prof. Songul Serefhanoglu is a Hematologist at ISU Medical Park since 2019, and has been the Director and President of Adult Hematology Department of Sisli Memorial Hospital, Istanbul since 2019. He completed his Medical Education from Firat University, Elazig/Turkey (1994-2000), Internal Medicine from Inonu University, Malatya/Turkey (2001-2005), and Hematology from Hacettepe University, Ankara/Turkey (2006-2009). He has been involved in peripheral hematopoietic stem cell transplantation, with an average of 100-120/year.