Chief, Section of Hematology/Oncology, Dept. of Medicine, Boston University Medical Center, April 2004 – Oct 2004.
Co-Director, Clinical Cancer Center, Boston University Medical Center, , April 2004 – Oct 2004
Head, Univ. of Illinois at Chicago, Breast Cancer Medical Oncology Clinic, 2003 – 2004
Assistant to the Director and Member of the Executive Advisory Committee, UIC Research Resource Core, 2000-2003
Head of Faculty Advisory Committee for the RRC Core Genomics Facility, 2000-2004
Program Director, “Leukemia and Hematopoiesis,” UIC Cancer Research Center, 2000-2003
Director, Molecular Diagnostic Lab, University of Illinois at Chicago, 2000 - 2002
Director, RRC Core Genomics Facility, University of Illinois at Chicago, 2000 - 2002
Director, Family Cancer Clinic, University of Illinois at Chicago, 1996 - 2000
Associate Director, MD-PhD Program, University of Illinois at Chicago, 1999 - 2000
Director, Hematology/Oncology Fellowship Training Program, University of Illinois at Chicago, 1995 - 1998
University of Chicago Cancer Center, Program Director “Molecular Genetics of Human Tumors” 1991 - 1995
Visiting Scientist Imperial Cancer Research Foundation, Lincoln’s Inn Fields, London, England, 1991 - 1992
Molecular Oncology Diagnostic Laboratory, University of Chicago Hospitals and Clinics 1987 - 1989, Co-director