2021-Present Senior PI, Ouyang Laboratory (Full Time); Distinguished Professor, Wenzhou Medical University
2011-2021 Adjunct Professor (China National Thousand Talents Program Expert), Wenzhou Medical University
2009-2011 Adjunct Professor, Wenzhou Medical University
2007-2019 Professor (with Tenure), New York University; Deputy Director of Nelson Institute of Environmental Medicine, New York University School of Medicine; Vice-Chairman, Department of Environmental Medicine, New York University School of Medicine
2004-2006 Associate Professor (with Tenure), New York University
2000-2004 Assistant Professor (with Tenure Track), New York University
1999-2000 National Research Council Senior Research Scientist, National Institute for Occupational Safety and health, Morgantown, WV, USA
1998-1999 Research Associate, ScientistHormel Institute, University of Minnesota, Austin, MN,USA
1995-1998 Postdoctoral Fellow, Hormel Institute, University of Minnesota, Austin, MN, USA
1994-1995 Lecture & Section Leader,Section of Neuroimmunology, The Institute of Neuroscience, The Fourth Military Medical University, Xi’an, China
1986-1994 Teacher Assistant & Lecture, Department of Immunology, The Fourth Military Medical University, Xi’an, China
1984-1986 Teacher Assistant, Department of Microbiology and Immunology, The Fourth Military Medical University, Xi’an, China