11/07-5/09 - Associate Professor of Oncology, Division of Cancer Prevention and Population Sciences, Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, NY
9/02-11/07 - Assistant Professor of Oncology, Division of Cancer Prevention and Population Sciences, Department of Epidemiology, Roswell Park Cancer Institute, Buffalo, NY
11/05-10/09 - Research Assistant Professor, Department of Social and Preventive Medicine, School of Public Health, SUNY at Buffalo, Buffalo, NY
4/04-11/09 - Assistant Professor, Department of Cancer Pathology and Prevention, Graduate College, SUNY at Buffalo, Buffalo, NY
7/01-9/02 - Assistant Professor, Division of Epidemiology and Biostatistics, College of Public Health, University of Arizona, Tucson, AZ
5/00-6/01 - Research Instructor, Division of Epidemiology and Biostatistics, College of Public Health, University of Arizona, Tucson, AZ
7/99-5/00 - Research Instructor, Arizona Prevention Center, University of Arizona, Tucson, AZ
7/98-7/02 - Co-Director, Cancer Prevention and Control Training Program, Arizona Cancer Center, University of Arizona, Tucson, AZ
9/89-9/93 - Lecturer in Epidemiology, Social and Behavioral Science Course, College of Medicine, University of Arizona, Tucson, AZ
8/95-7/99 - Research Specialist, Principal, Cancer Prevention and Control Program, Arizona Cancer Center, University of Arizona, Tucson, AZ
9/87-8/95 - Research Specialist, Principal, Project Director of the Selenium and Cancer Prevention Program, Family and Community Medicine, University of Arizona, Tucson, AZ
9/85-9/87 - Research Assistant, Division of Public Health, University of Massachusetts, Amherst, MA
6/85-9/85 - Intern, Nutritional Epidemiology, Massachusetts Department of Public Health, Statistics and Evaluations Branch, Boston, MA