Dr. Demirer graduated from Ankara University Medical School in Turkey in 1984 and trained in the USA from 1987 to 1997. He performed research in basic hematologic techniques and applications of flow cytometry at the Chicago Medical School between 1987 and 1989 and did Internal Medicine residency at the Medical College of Wisconsin in 1989-1992. He did Hematology/Oncology and Bone Marrow Transplant Fellowship at the University of Washington, Fred Hutchinson Cancer Research Center (FHCRC) in Seattle,1992-1997, and trained under Professors Don Thomas (Nobel laureate), Dean Buckner, Frederick Appelbaum and Rainer Storb in the clinical division. He is a diplomate of the American Board of Internal Medicine and Board certified in Internal Medicine and Medical Oncology. He was given the title of ‘Fellow of American College of Physicians (FACP)’ by ACP in July 1996. He has conducted many clinical studies at the FHCRC as principal investigator or co-investigator mainly related to peripheral blood stem cell mobilization and high-dose chemotherapy (HDC) in patients with solid tumors and hematologic malignancies. During his career he has written many papers in medical journals and books with regard to stem cell mobilization kinetics, factors influencing the stem collection and engraftment as well as HDC in patients with multiple myeloma, breast and ovarian cancer. He was chairman of the EBMT Solid Tumors Working Party (STWP) between 2001 and 2007. He has conducted, chaired and published studies related to HDC in patients with solid tumors at the EBMT STWP. He was the president of the 29th EBMT Annual Congress which was held in Istanbul in 2003. He will also be the president of EBMT Annual Meeting in 2015 which will be held in Istanbul. He is the member of the editorial board of Bone Marrow Transplantation. Dr. Demirer is currently the professor of Medicine and Hematology/Oncology at the Ankara University Medical School in Ankara, Turkey, and a full member of Turkish Academy of Sciences.