1975 National Research Service Award (NIH)
1982 Research Career Development Award (NIH)
1987 Ida and Cecil Green Endowed Chair of Cell Biology
1997 Univ. of Iowa College of Medicine Lecture
1999 Univ. of Iowa College of Medicine Distinguished Alumni Award for Achievement
2001 SASPITUS Award from the 11th Symposium on Signals and Signal Transduction in the Immune System
2001 Talmadge Award, Colorado Allergy Society
2002 Outstanding Scientific Achievement Award (NJMRC)
2005 - ISI Most Highly Cited
2009 American Association of Immunologists (AAI) Distinguished Lecturer
2009-2010 AAI Nominating Committee
2009 University of Colorado Distinguished Professor
2010 University of Iowa Distinguished Alumni Award for Achievement
2012 Lifetime Achievement Award – National Jewish Health
2017 University of Colorado, Joseph Addison Sewall Award - in recognition of exceptional contributions of leadership and vision to health sciences programs, University of Colorado School of Medicine
2019 President, Association of Medical School Microbiology and Immunology Chairs
2019 Distinguished Fellow, American Association of Immunologists
2021 Emeritus Chair and Distinguished Professor, University of Colorado SOM
2024 Biolegend Herzenberg Award for lifetime Achievement, American Association of Immunologists
2024 Outstanding Alumnus Award for Lifetime Achievement, Missouri State University