PROFESSIONAL EXPERIENCE:

Professor of Molecular Toxicology, Department of Environmental Toxicology, College of Science and Arts, Texas Tech University (2006-)

Division leader, Division of Human Health Sciences, The Institute of Environmental and Human Health, Texas Tech University/Texas Tech University Health Sciences Center (2006-)

Full member, Southwest Cancer Center, University Medical Center, Lubbock, Texas (2005-)

Visiting Professor, Southern Yangtze University, Wuxi, P.R. China (June 2004- )

Visiting Professor, Guangxi Medical University, Nanning, PR. China (September 2001- )

Full Member, Division of Human Health Sciences, The Institute of Environmental and Human Health, Texas Tech University/Texas Tech University Health Sciences Center (2000-)

Associate Professor of Molecular Toxicology, Department of Environmental Toxicology, College of Science and Arts, Texas Tech University (May 2000-; tenured in 2002)

            Visiting Professor, Shanghai Medical University School of Public Health, Shanghai, PR China (1999- )

Research Assistant Professor, Division of Toxicological Sciences, Department of Environmental Health Sciences, School of Hygiene and Public Health, Johns Hopkins University (1997- )

Visiting Professor, Southeast University School of Public Health, Nanjing, P. R. China (1996- )

Research Associate, Division of Toxicological Sciences, Department of Environmental Health Sciences, School of Hygiene and Public Health, Johns Hopkins University

            (1994-1996)

Research Affiliate, Division of Toxicology, Massachusetts Institute of Technology (1992-1993)

Ph.D Candidate and Research Assistant, Oncology and Hematology Section, Department of Pathology and Laboratory Medicine, Boston University School of Medicine (1990-1993)

Visiting Scientist, Division of Toxicology, Department of Applied Biological Science, and Center for Environmental Health Sciences, Massachusetts Institute of Technology (1986-1991)

            Assistant Professor, Division of Toxicology and Division of Nutrition and Food Hygiene, Department of Preventive Medicine, Nanjing Railway Medical College (1982-1985)

            Head, Laboratory of Toxicology, Department of Preventive Medicine, Nanjing Railway Medical College (1983-1986)

            Assistant Dean for Research, Nanjing Railway Medical College (1984-1985)

Associate Director for Student Affairs, Nanjing Railway Medical College (1983-1984)

Acting Director, Division of Nutrition and Food Hygiene, Department of Preventive Medicine, Nanjing Railway Medical College (1982)

Teaching and Research Assistant, Food Toxicology Program, Department of Nutrition and Food Hygiene, Shanghai First Medical College (1978-1981)