| 1978-1979 |
Intern in Medicine, Massachusetts General Hospital, Boston, MA |
| 1979-1980 |
Assistant Resident in Medicine, Massachusetts General Hospital, Boston, MA |
| 1980-1983 |
Clinical Associate, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD |
| 1983-1984 |
Hematology-Oncology Fellow, Washington University Medical Center, St. Louis, MO |
| 1984-1986 |
Senior Investigator, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD |
| 1986-1990 |
Assistant Professor of Medicine, Washington University School of Medicine, St. Louis, MO |
| 1986-1993 |
Assistant Professor of Genetics, Washington University School of Medicine, St. Louis, MO |
| 1990-1993 |
Associate Professor of Medicine, Washington University School of Medicine, St. Louis, MO |
| 1993-present |
Professor of Medicine, Washington University School of Medicine, St. Louis, MO |
| 1993-present |
Professor of Genetics, Washington University School of Medicine, St. Louis, MO |
| 1994-2000 |
Director, Hematopoiesis Research Center, Washington University School of Medicine, St. Louis, MO |
| 2000-present |
Director, Section of Stem Cell Biology, Division of Oncology, Washington University School of Medicine, St. Louis, MO |
| 2000-2008 |
Associate Director for Basic Science, Alvin J. Siteman Cancer Center, Washington University, St. Louis, MO |
| 2008-present |
Associate Director for Cancer Genomics, The Genome Institute, Washington University, St. Louis, MO |
| 1974 |
Phi Beta Kappa, Drake University, Des Moines, IA |
| 1974 |
Ross Award for Promise of Success in Medicine, Drake University |
| 1974 |
Phi Eta Sigma Award (Best Academic Record), Drake University |
| 1975 |
E.V. Cowdry Prize in Histology, Washington University, St. Louis, MO |
| 1976 |
Robert Carter Medical School Prize, Washington University, St. Louis, MO |
| 1978 |
Alpha Omega Alpha |
| 1978 |
St. Louis Internists Club Book Prize (For Achievement in Medicine), Washington University, St. Louis, MO |
| 1978 |
Medical Fund Society Prize in Surgery, Washington University, St. Louis, MO |
| 1978 |
Alpha Omega Alpha Book Prize (Best Academic Record), Washington University, St. Louis, MO |
| 1986-1988 |
Basil O'Conner Scholar, March of Dimes Foundation |
| 1990 |
American Society for Clinical Investigation |
| 1994 |
Teacher of the Year, Dept. of Medicine, Jewish Hospital |
| 1995 |
Association of American Physicians |
| 1998 |
Alumni-Faculty Award, Washington University Medical School |
| 1999 |
Alan A. & Edith L. Wolff Professorship in Medicine |
| 1999 |
MERIT Award, National Institutes of Health |
| 2000 |
ASCI Special Service Award |
| 2000 |
Internal Medicine Leadership Award in Scientific Investigation, Washington University Medical School |
| 2001 |
St. Louis Spirit of Health Award, American Cancer Society |
| 2001 |
Excellence in Teaching and Mentoring, Markey Special Emphasis Pathway, Washington University Medical School |
| 2002 |
Fellow of AAAS (American Association for the Advancement of Science) |
| 2003 |
Institute of Medicine, National Academy of Sciences |
| 2005 |
Herman Beerman Award, Society of Investigative Dermatology |
| 2006 |
America’s Top Physicians, Consumers’ Research Council of America |
| 2007 |
Fellow, St. Louis Academy of Science |
| 2007-2011 |
Association of American Physicians Council (Treasurer 2008-2011) |
| 2007 |
Best Doctors in America |
| 2008 |
Distinguished Educator Award for Postdoctoral Mentoring, Washington University Medical School |
| 2008 |
American Society of Hematology Mentor Award |
| 2009 |
Lewis T. and Rosalind B. Apple Chair in Oncology |
| 2009-2012 |
Who’s Who in America |
| 2010 |
American Academy of Arts and Sciences |
| 2010 |
Alumni Achievement Award, Drake University |
| 2011 |
2nd Century Award, Washington University |
| 2012 |
Interdisciplinary/Collaborative Science Award, St. Louis Academy of Science |
| 1990-1991 |
Chairman, Committee on Scientific Affairs, American Society of Hematology |
| 1992-present |
Cooley’s Anemia Foundation Medical Advisory Board |
| 1992-1996 |
Hematology I Study Section, ad hoc member |
| 1997-1998 |
President, American Society for Clinical Investigation |
| 1998-2001 |
FASEB Board of Directors |
| 2004-2005 |
General Motors Foundation, Awards Committee |
| 2004-2007 |
American Society of Hematology, Awards Committee |
| 2007-2011 |
Association of American Physicians Council |
| 2007-present |
International Cancer Genomics Consortium Scientific Planning Committee |
| 2008-2012 |
Treasurer, Association of American Physicians |
| 2008-2012 |
NHGRI Board of Scientific Counselors (2009 - Chair) |