Professional Appointments

Assistant Faculty Member, Division of Basic Sciences, Department of Pediatrics, National Jewish Center Medical and Research Center, Denver, Colorado 1992-1999
Assistant Professor (Non-Tenure Track), Department of Pediatrics (Division of Hematology/Oncology), Department of Immunology, University of Colorado, School of Medicine, Denver, Colorado 1994-1999
Assistant Professor (Tenure Track), Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, Florida 2000-2001
Associate Professor (Tenured), Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, Florida 2001-2010
 Professor, Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, Florida 2010-present
 Visiting Professor, Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University 2010-present