| 1981-1984 |
Medical Residency, University of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester, NY |
| 1984-1985 |
Chief Residency, Instructor and Chief Resident in Medicine, University of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester, NY |
| 1984-1986 |
Instructor and Fellow in Medicine, Medical Oncology Unit, University of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester, NY |
| 1986-1987 |
Instructor and Fellow in Medicine, Hematology Unit, University of Rochester School of Medicine and Dentistry, Strong Memorial Hospital, Rochester, NY |
| 1989-1991 |
Fellow in Transfusion Medicine, Division of Laboratory Medicine, Washington University School of Medicine, St. Louis, MO |
| 1987-1989 |
Private Practice, Hematology-Oncology, Berkshire Physicians and Surgeons, Pittsfield, MA |
| 1991-1993 |
Instructor in Medicine and Pathology, Division of Laboratory Medicine, Washington University School of Medicine, St. Louis, MO |
| 1993-2000 |
Assistant Professor, Department of Pathology, Saint Louis University Health Sciences Center, St. Louis, MO |
| 1993-1994 |
Acting Director, Hematology Laboratory, Saint Louis University Health Sciences Center, St. Louis, MO |
| 1993-2000 |
Associate Director, Hemostasis Laboratory, Saint Louis University Health Sciences Center, St. Louis, MO |
| 1994-2000 |
Associate Medical Director, Saint Louis University Coagulation Consultants |
| 1993-2000 |
Associate Medical Director, Missouri-Illinois Regional Hemophilia Diagnostic and Treatment Center, Adult Program, Saint Louis University Hospital, St. Louis, MO |
| 1994-2000 |
Director, Hematology Laboratory, Saint Louis University Health Sciences Center, St. Louis, MO |
| 1999-2000 |
Director, Transfusion Medicine Service, Saint Louis University Hospital, St. Louis, MO |
| 2000-present |
Associate Professor Pathology & Immunology and Medicine, Washington University School of Medicine, St. Louis, MO |
| 2000-present |
Director, Hematology and Hemostasis Laboratories, Barnes-Jewish Hospital, St. Louis, MO |
| 2003-present |
Associate Director of Educational Programs, Division of Laboratory Medicine, Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO |
| 1993-1997 |
Member, Marketing Committee, University Medical Group, Saint Louis University School of Medicine |
| 1994-1997 |
Member, Invasive Care Committee, Saint Louis University Hospital |
| 1997 |
Treasurer, Medical Executive Committee, Saint Louis University Hospital |
| 1997-2000 |
Member, Credentials Committee, Saint Louis University Hospital |
| 1998-1999 |
Chairman, Credentials Committee, Saint Louis University Hospital |
| 1998-1999 |
Vice President, Medical Executive Committee, Saint Louis University Hospital |
| 1999-2000 |
Member, Laboratory Utilization Committee, Saint Louis University Hospital |
| 2000-present |
Member, Barnes-Jewish Health Information Services Committee |
| 2003-present |
Member, Barnes-Jewish Hospital Medical Staff Credentialing Committee |
| 2004-present |
Member, Barnes-Jewish Hospital Transfusion Medicine Committee |