Doctor of Medicine, Karolinska Institute, Stockholm, 1977; Dr.Med.Sci., Karolinska Institute, Stockholm, 1985.
Intern, Vasteras (Sweden) Control Hospital, 1977; resident in internal medicine, Huddinge (Sweden) Hospital, 1978-1981, 82-83; resident in internal medicine, McMaster U. Hospitals, Hamilton, Ontario, Canada, 1981-1982; consultant department medicine, Karolinska Hosp, Stockholm, 1984-1992; director coagulation unit department medicine, Karolinska Hosp, Stockholm, since 1996; consultant, National Hemophilia Center, Tel Hashomer, Israel, 1992-1996. Editor, chairman information board Medical Students Union, Stockholm, 1974-1975.
Member World Federation Hemophilia, International Society Thrombosis and Haemostasis, Swedish Society Medicine.
Married Doris Rose Lederman, July 8, 1979. Children: Melissa, Jacqueline, Rafael.