William J. Blot, Ph.D., William J Blot, PhD Chief Executive Officer
Before co-founding IEI in 1994, Dr. Blot directed epidemiological and biostatistical research studies at the National Cancer Institute for 20 years. He has initiated case-control, cohort, and intervention trial investigations throughout the world that have helped elucidate environmental and other determinants of a variety of cancers. With over 500 published papers and worldwide recognition, Dr. Blot is an expert in epidemiological and biostatistical methods of study. He holds an appointment as Professor of Medicine, Department of Medicine, at the Vanderbilt University Medical Center and is Associate Director for Cancer Prevention, Control and Population-Based Research at the Vanderbilt-Ingram Comprehensive Cancer Center. He is an editor of the Journal of the National Cancer Institute. Dr. Blot is the Principal Investigator of the Southern Community Cohort Study, a NIH-funded study following nearly 90,000 adults and one of the nation’s key investigations into the higher rates of many forms of cancer among African Americans.

Joseph K. McLaughlin, Ph.D., President (deceased December 10, 2014)
Joseph K McLaughlin, PhD Prior to co-founding IEI in 1994, Dr. McLaughlin led epidemiologic studies at the University of Minnesota, Johns Hopkins University, and the National Cancer Institute. Prominent are his assessments of occupational exposures, prescription medications, diet, medical devices, and implants as they relate to cancer and other diseases. Internationally recognized for his research on the etiology of renal cancer, Dr. McLaughlin's almost 500 scientific publications have helped set theoretical and practical standards for epidemiological study methods. Dr. McLaughlin is a member of the Vanderbilt-Ingram Comprehensive Cancer Center and an adjunct faculty member in the Department of Epidemiology at the Johns Hopkins School of Hygiene and Public Health. Dr. McLaughlin is a fellow of the American College of Epidemiology since 1987 and a member of the American Epidemiological Society since 1991. He is an editor for numerous journals, including the American Journal of Epidemiology, Journal of the National Cancer Institute, American Journal of Industrial Medicine, and Journal of Occupational & Environmental Medicine.

Robert E. Tarone, Ph.D., Biostatistics Director Robert E Tarone, PhD
Dr. Tarone joined IEI in 2002 to take the position of Biostatistics Director after an outstanding 28-year career as a mathematical statistician at the National Cancer Institute (NCI), where he made major applied and theoretical contributions to biostatistics, epidemiology, and the development of methods for long-term animal carcinogenesis bioassay studies and short-term laboratory mutagenesis assays. At NCI, Dr. Tarone was Chief of the Statistical Research and Applications Section, Division of Cancer Epidemiology and Genetics. He is the recipient of numerous honors, including the Public Health Service Special Achievement Award, the NIH Director’s Award and the NIH Merit Award. With over 300 publications, Dr. Tarone is an internationally acknowledged leader in biostatistics. He is a Fellow of the American Statistical Association, a statistical editor of the Journal of the National Cancer Institute, and has been an associate editor of the Journal of the American Statistical Association and Biometrics.


Xijing Han, M.Sc., Biostatistician
Xijing HanMs. Han received a Master of Science in biostatistics from the University of Michigan School of Public Health in 2009 and a Master of Science in biochemistry and molecular biology in 2007 from the University of Calgary, Canada.  Her undergraduate degree is in biological sciences from Nankai University.  She joined IEI as a biostatistician in 2009.  She has experience in statistical analyses of epidemiologic research and health-related studies.

Carlo La Vecchia, M.D., M.Sc., Cancer Epidemiologist Consultant
Carlo La VecchiaDr. La Vecchia received his medical degree from the University of Milan and a master of science degree in clinical epidemiology from Oxford University. He is recognized worldwide as a leading authority in cancer etiology and epidemiology. Presently, he is Chief of Epidemiology at the Mario Negri Institute in Milan, Italy and on the faculty of Medicine at the University of Milan. Dr. La Vecchia serves as an editor for numerous clinical and epidemiologic journals. He is among the most renowned and productive epidemiologists in the field with over 1,250 peer-reviewed papers in the literature and is among the most highly cited medical researchers in the world, according to ISIHighlyCited.comsm, the developer and publisher of the Science Citation Index. Dr. La Vecchia is an Adjunct Professor of Medicine at Vanderbilt Medical Center and the Vanderbilt-Ingram Cancer Center.

Donald E. Marano, C.I.H., P.E., Senior Industrial Hygiene Consultant
Donald E Marano, CIH, PEMr. Marano has over 30 years of experience in the field of occupational health and safety, and is a certified industrial hygienist and professional engineer. He has conducted numerous evaluations of employee exposures to chemicals, noise, radiation and other potential hazards. During his career he has also conducted occupational safety and health audits for compliance with OSHA and EPA laws and regulations. Mr. Marano heads a large team of experts at IHI Environmental in Salt Lake City, Utah. Areas of expertise include industrial hygiene, safety, toxicology, human health risk assessment, environmental health, geology, hydrology and engineering. He has also served as the senior industrial hygienist on a large number of complex, large-scale epidemiologic studies for the National Institutes of Health and the private sector. Mr. Marano brings to IEI invaluable long-term experience in applying the science and principles of industrial hygiene and safety to the issues of human health and disease.

Michael Mumma, M.S., Director of Information Technology
Michael Mumma, MSMr. Mumma received his master's degree in environmental science from the University of Florida in 1996. He joined IEI in 2000 after performing statistical analysis, sample selection, and database development for a number of large-scale health and nutrition studies, including NHANES and CSFII. In addition to directing IEI's IT department, he also conducts data analysis on numerous cancer research studies, particularly ecological, longitudinal, and occupational cohort studies. He has also published papers on topics ranging from SAS software programming to water quality analysis.

Heather M. Munro, M.Sc., BiostatisticianHeather Munro
Ms. Munro received her Master of Science from the Department of Biostatistics at the University of Michigan in 2005 and joined IEI that May. Her undergraduate degree is in biological sciences from Mount Holyoke College. At the University of Michigan, she was involved in statistical analyses for the International HapMap Project and for a project investigating genetic and non-genetic risk factors for coronary artery calcification.

Melvin S. Rosenthal, M.D., Clinical Advisor Consultant
Melvin S Rosenthal, MDDr. Rosenthal received his M.D. degree at George Washington University and completed his residency in Internal Medicine at the Johns Hopkins Hospital. He served as a Research Fellow for two years at John Enders' internationally renowned laboratory of infectious diseases at Harvard University. He has practiced and taught medicine and conducted medical research at a number of prestigious institutions. He has held academic appointments at the Johns Hopkins Medical School, Peter Bent Brigham Hospital, Case Western Reserve University and the Cleveland Clinic. Dr. Rosenthal's extensive clinical knowledge and experience enables IEI to address a broad area of medical problems with emphasis on infectious disease, an ever widening area of concern in today's environment.

Mark Steinwandel, B.B.A., Senior Systems Analyst
Mark Steinwandel, BBAMr. Steinwandel received his B.B.A. in Management Information Systems from James Madison University in 1986. He joined IEI in 2001 after spending over a decade developing programs for and managing numerous complex data collection, data processing, and statistical analysis systems. His programming and technical management experience includes building field data collection and home office processing systems for various health, education, and nutrition studies such as NHANES, CSFII, NPSAS, and NAEP. Mr. Steinwandel has also developed the Blaise CAPI system for the Southern Community Cohort Study.

Phyllis Tousey, R.N., M.P.H., Epidemiologist
Phyllis Tousey, RN, MPHMs. Tousey received a degree in nursing from the University of Florida and an MPH in epidemiology from the University of North Carolina. She joined IEI in 2000 after directing research and health education activities on tobacco-related diseases for St. Vincent's Hospital's Heart and Lung Institute, including a series of epidemiologic research studies to evaluate reasons for the exceptionally high rates of lung cancer in northeast Florida.

Thomas N. Wise, M.D., Senior Psychiatric Consultant
Thomas N Wise, MDDr. Wise received his M.D. degree from Duke University in 1969 and completed his residency in psychiatry at the State University of New York- Downstate Medical Center in 1973. Among his many research interests is the modifying effect personality has on illness and its perception. He is editor-in-chief of the leading journals in this area, Psychosomatics and Advances in Psychosomatic Medicine. He holds faculty positions at the Johns Hopkins School of Medicine and the Georgetown University School of Medicine, and is presently the chairman of the department of psychiatry at the Inova Fairfax Hospital in Virginia. Dr. Wise has published over 300 papers in the peer-reviewed psychiatric research literature, edited and authored eight books, and is the recipient of numerous awards for his outstanding research and productivity. Dr. Wise’s extensive research career in psychiatry brings to IEI a unique expertise in evaluating the interaction of illness and personality.

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