Ph. D - Human Nutrition and Foods, 1989, Virginia Polytechnic Institute & State University, Blacksburg, VA
M.S. - Human Nutrition and Foods, 1986, Virginia Polytechnic Institute & State University, Blacksburg, VA
B.S. - Biological Sciences, 1983, University of the State of New York, Albany, NY

2005-present - Director, Institute for Obesity Research and Program Evaluation, Texas A&M University System, College Station, TX

2001-present - Associate Professor, Dept. Nutrition and Food Science, Texas A&M University, College Station, TX; tenured in 2001

2001-2004 - Deputy Administrator, Special Nutrition Programs, Food and Nutrition Service, U.S. Department of Agriculutre

1992-1995 - Affiliate Assistant Professor, Department of Food Sciences & Human Nutrition, and Department of Microbiology, Immunology, and Preventative Medicine, Iowa State University, Ames, Iowa

1989-1990 - Assistant Professor/Lecturer, Department of Human Nutrition and Foods, Virginia Polytechnic Institute & State University, Blacksburg, VA

1987-1989 - Graduate Research Assistant, Department of Human Nutrition and Foods, Virginia Polytechnic Institute & State University, Blacksburg, VA

1987-1989 - Administrative Assistant, College of Human Resources, Virginia Polytechnic Institute & State University, Blacksburg, VA

1982-1983 - Production Supervisor and Group Leader, Byk-Gulden Pharmaceutical Company, Melville, NY

1981-1982 - Quality Assurance Inspector, Byk-Gulden Pharmaceutical Company, Melville, NY