Robert H. Friis, PhD, is a Professor of Health Science and Chair of the Department of Health Science at California State University, Long Beach, and Director of the CSULB-VAMC, Long Beach, Joint Studies Institute. He is also Clinical Professor of Community and Environmental Medicine at University of California, Irvine. Previously, he was an Associate Clinical Professor in the Department of Medicine, Department of Neurology, and School of Social Ecology, University of California, Irvine. His entire professional career has been devoted to the field of epidemiology. He has conducted research and taught epidemiology and related subjects for more than three decades at universities in New York City and in Southern California. In addition to previous employment in a local health department as an epidemiologist, he has conducted research and published and presented numerous papers related to mental health, chronic disease, disability, minority health, and psychosocial epidemiology. Dr. Friis has been principal investigator or co-investigator on grants and contracts from University of California's Tobacco-Related Disease Research Program, from the National Institutes of Health, and from other agencies for research on geriatric health, depression in Hispanic populations, and nursing home infections. His research interests have led him to conduct research in Mexico City and European countries. He has been a visiting professor at the Center for Nutrition and Toxicology, Karolinska Institute, Stockholm, Sweden; the Max Planck Institute, Munich, Germany; and Dresden Technical University, also in Germany. He reviews articles for scientific journals, including International Migration Review and Social Science and Medicine. Dr. Friis is a member of the Society for Epidemiologic Research and the American Public Health Association. Among his awards were a postdoctoral fellowship for study at the Institute for Social Research, University of Michigan, and the Achievement Award for Scholarly and Creative Activity from California State University, Long Beach. His biography is listed in Who's Who in America.
Thomas A. Sellers, PhD, MPH, is Associate Center Director, H. Lee Moffit Cancer Center and Research Institute, University of South Florida. He was an Associate Professor at the University of Minnesota School of Public Health, where he taught the Introduction to Epidemiology course to non-majors for nine years. His primary research interests include understanding the etiology of common adult cancers, such as breast, lung, and ovarian cancer; he has published more than 150 scientific articles and book chapters. Most of his research employs the methods of genetic epidemiology and involves investigation of gene-environment interactions. Dr. Sellers has published widely in a number of scientific journals, and has reviewed articles for the New England Journal of Medicine, Journal of the American Medical Association, American Journal of Epidemiology, Epidemiology, Cancer Research, and many others. He is a founding member of the International Genetic Epidemiology Society and is also a member of the Society for Epidemiologic Research, the American Society for Human Genetics, the American Association for Cancer Research, and the American Society for Preventive Oncology. Dr. Sellers has been an invited member of Advisory Committees to the National Cancer Institute, provided invited lectures all over the world, and has served on numerous grant review panels.