2018-present, Professor, Department of Immunology & Theranostics, Arthur Riggs Diabetes Metabolism Research Institute, City of Hope, Duarte, CA
2014-2018, Professor, Department of Molecular Immunology, Beckman Research Institute of City of Hope, Duarte, CA
2009-2014, Associate Professor, Department of Molecular Immunology, Beckman Research Institute of City of Hope, Duarte, CA
2003-2009, Assistant Professor, Department of Molecular Immunology, Beckman Research Institute of City of Hope, Duarte, CA
2000-2003, Postdoctoral Scientist at Dr. Brian Chait’s lab, The Rockefeller University, New York
1999-2000, Postdoctoral Scientist, Max-Planck-Institute for Molecular Genetics, Mass Spectrometry group of Dr. H. Lehrach, Berlin
1995-1999, Max Planck for Institute for Molecular Genetics, Department of Dr. H. Lehrach, Berlin