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FIFRA Scientific Advisory Panel Members

Members are appointed by the Administrator of EPA from nominations provided by the National Institutes of Health (NIH) and the National Science Foundation (NSF). Members serve staggered terms of appointment, generally of three years duration. Current FIFRA SAP panel members are listed below.


Robert E. Chapin, Ph.D.
(Retired) Pfizer Global Research and Development

Affiliation: Former Senior Research Fellow (Retired), Pfizer Global Research and Development, Groton, CT

Expertise: In vitro predictive toxicology; pre-conception reproductive toxicology

Education: Ph.D., Pharmacology, University of North Carolina, Chapel Hill; B.A., Biology, Earlham College

Experience Summary: Dr. Robert Chapin has recently retired from his position as a Senior Research Fellow and member of the Developmental and Reproductive Toxicology Center of Expertise at Pfizer Global Research and Development in Groton, Connecticut. He received his Ph.D. degree in 1980 from UNC-Chapel Hill in Pharmacology and subsequently post-doctored for 2 years at the Chemical Industry Institute of Toxicology. This was followed by 18 years at the National Institute of Environmental Health Sciences (NIEHS), as a Senior Staff Fellow in the National Toxicology Program, then as a Principal Investigator, and then Lab Head. His area of expertise is pre-conception reproductive toxicology in male and female; however, he also worked hard in the area of in vitro predictive toxicology. He developed advanced in vitro culture methods for exploring mechanisms of reproductive toxicology and helped pioneer the integrated use of molecular, biochemical, histologic, and in vitro methods to address mechanistic questions in reproductive toxicology.

Panel Experience: Dr. Chapin has served as an ad hoc member on several Scientific Advisory Panels for the U.S. Environmental Protection Agency (U.S. EPA) specifically the National Research Council’s Low Dose Non-Monotone Panel (2013), and had previously worked on numerous International Life Sciences Institute committees and publications (2009-2011). Dr. Chapin currently serves as Chair of the Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel (2018-2021).


Jeffrey R. Bloomquist, Ph.D.
University of Florida

Affiliation: Professor of Entomology, Entomology and Nematology Department, Emerging Pathogens Institute, University of Florida, Gainesville, Florida

Expertise: Chemistry, human and insect neurophysiology, neurochemistry, insecticide toxicology, mode of action, and resistance; including studies of comparative neurotoxicology and environmental Parkinsonism

Education: Ph.D. in Entomology, University of California, Riverside, California. M.S. in Entomology, Mississippi State University, Mississippi. B.S. in Entomology, Purdue University, Indiana. Postdoctoral appointment in Insecticide Toxicology, Cornell University, New York

Experience Summary: Dr. Bloomquist is a Professor of entomology with 30 years of teaching and research on insecticide toxicology, mode of action, and resistance. He is a member of the American Chemical Society, Division of Agrochemicals (since 1978) and the Entomological Society of America (since 2014). He was also an editorial board member of Invertebrate Neuroscience (2001-2014) and currently for Pesticide Biochemistry and Physiology (2007-present). In addition, he is an Associate Editor (2007-present) and Executive Editor of Pest Management Science (2013-present). Dr. Bloomquist is also a member of a group of organizers of an ongoing INSTAR (INSecticides and TARgets) workshop that is held at the annual meetings of the American Chemical Society, Division of Agrochemicals and the Entomological Society of America in alternating years. His current research interests are on the mode of action, toxicology, and discovery and design of new mosquitocides and repellents for disease control.

Panel Experience: Dr. Bloomquist was a reviewer (2018) for U.S. Department of Agriculture (USDA) Small Business Innovation Research (SBIR) 8.3 phase I and II panel proposal. He was also a member of the External Scientific Advisory Committee for project proposals and performance reports, Innovative Vector Control Consortium, Liverpool School of Tropical Medicine, Liverpool, U.K. (2007-2016). He was an invited member of a Scientific Advisory Network Meeting for S.C. Johnson corporation (2016). Dr. Bloomquist was a Panel Reviewer (2015) for USDA/Agricultural Research Service (ARS) NP304 Panel 12 IPM, Horticultural and Vegetable Crops, Chaired by Faith Oi. He was a reviewer for Louisiana EPSCoR proposal, Louisiana State University (2014); reviewer (2011) for the British Petroleum Gulf Research Initiative, Competition 2, administered by the Office of Research & Economic Development, Louisiana State University; and reviewer (2010) for University of South Florida College of Public Health Interdisciplinary Research Development Grant program.

George B. Corcoran, Ph.D.
Wayne State University

Affiliation: Chairman and Professor, Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI

Expertise: Cellular injury; cell death and factors that govern drug and chemical injuries, including drug metabolism and nutrition

Education: Ph.D., Pharmacology/Toxicology, George Washington University; M.S., Chemistry, Bucknell University; B.A., Chemistry, Ithaca College

Experience Summary: Dr. Corcoran is a Professor and Chairman of the Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Wayne State University, and Adjunct Professor of Pediatrics, Wayne State University School of Medicine. Prior to Wayne State, Dr. Corcoran served as Assistant Professor of Pharmaceutics at the State University of New York at Buffalo and Associate Professor, and later Professor and Director of the Toxicology Graduate Program at the University of New Mexico. Dr. Corcoran has served as Secretary and later President of the Society of Toxicology. His research interests are multidisciplinary and translational. They focus on cellular injury and cell death, and factors that govern drug and chemical injuries, including drug metabolism and nutrition.

Panel Experience: Dr. Corcoran has served on and/or chaired review panels for the National Institutes of Health (1996-2002), the National Academies (2000-2005), and the Howard Hughes Medical Institute (2000-2003). He is a past Member of the Scientific Advisory Board of the U.S. EPA (2003-2009), Past Chair (2012-2013) of the Executive Board of the Council of Scientific Society Presidents (2007-2013), and past member of the Inter-Governmental Scientific Advisory Committee on Alternative Toxicological Methods (2008-2011). Dr. Corcoran is currently a member of the Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel (2018-2021).

Gaylia Jean Harry, Ph.D.
National Institute of Environmental Health Sciences

Affiliation: Group Leader, Neurotoxicology Laboratory, National Toxicology Program, National Institute of Environmental Health Sciences (NTP/NIEHS), Research Triangle Park, North Carolina

Expertise: Mode of action of environmental agents on the nervous system with focused interest on the developing nervous system, neurotoxicology, neuropathology, behavioral assessments, neuroinflammation, and developmental processes using in vivo and in vitro models.

Education: Ph.D. in Experimental Psychology, Virginia Commonwealth University. M.S. in Psychology, Virginia Commonwealth University. B.S. in Psychology, Virginia Commonwealth University, Richmond, Virginia.

Experience Summary: Dr. Harry is the Head of the Neurotoxicology Laboratory at NTP/NIEHS, with over 30 years of experience in the field of neurotoxicology. She has held faculty affiliate positions in the Biomedical Sciences Program and Toxicology Program at University of North Carolina, and the Toxicology Program at Duke University (1992-2019). She serves on the editorial board for Neurotoxicology Research, Molecular Toxicology, and ASN Neuro and as associate editor for Neurotoxicology (2004-2019) and Environmental Health Perspectives (2015-2019). She has co-edited 5 books on neurotoxicology and >125 papers. She has served as an expert reviewer for multiple OECD guideline documents for neurotoxicity (1992-2004). Dr. Harry's primary research interests currently focus on the role of the brain immune cells in regulating brain development and repair and how chemical exposure can alter the normal function of these cells and the neuroimmune system leading to dysfunction and altered brain development and neurodegeneration. Other research interests lie in how to refine neurobehavioral testing methods for neurotoxicity and how to potentially translate findings from in vitro models to adverse effects in vivo.

Panel Experience: Dr. Harry's experience on Federal panels began in 1992 with participation in various panels to review and draft EPA documents for neurotoxicology, on scientific review panels for National Center for Toxicological Research, Agency for Toxic Substances and Disease Registry, International Program on Chemical Safety of the World Health Organization, and International Life Science Institute. She has served on various (14) EPA Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) Scientific Advisory Panels as an ad hoc neurotoxicology expert member (1999-2012). The latest being on the developmental neurotoxicity of chlorpyrifos, and incorporation of in vitro and human data (2012). She has participated in, and organized various national and international workshops/panels related to neurotoxicity and public health (1992-2019). Dr. Harry has also served on numerous (>30) state, federal, international, and foundation scientific review panels for grant funding, program evaluations, and risk assessment (1995-2019).

Rebecca L Smith, D.V.M., Ph.D.
University of Illinois

Affiliation: Assistant Professor, Department of Pathobiology, College of Veterinary Medicine, University of Illinois, Urbana-Champaign, Illinois

Expertise: Epidemiologic research on longitudinal data analysis and mathematical modeling of diseases for purposes of prediction and control, with a focus on One Health.

Education: Ph.D. in Epidemiology, Cornell University. M.S. in Biosecurity and Risk Analysis, Kansas State University. D.V.M., Cornell University. B.A. in Biology, Gustavus Adolphus College.

Experience Summary: Dr. Smith is Assistant Professor of Epidemiology at the University of Illinois Urbana-Champaign. She is an affiliate of the Carl Woese Institute for Genomic Biology and the National Center for Supercomputing Applications, and a partner in the Midwest Center of Excellence for Vector-Borne Disease. Dr. Smith has served as a member of the Board of Directors for the Association for Veterinary Epidemiology and Preventive Medicine (2016-2019). Her research focuses on using simulation and statistical modeling for the prediction and control of diseases, with concentrations in vector-borne diseases, mycobacterial diseases of animals, water-borne pathogens of livestock origin, and menopausal symptoms

Panel Experience: Dr. Smith’s experience on Federal panels includes service as an ad hoc reviewer for a US Department of Agriculture, National Institute of Food and Agriculture (USDA-NIFA) conference proposal (2018), and for National Institute of Allergy and Infectious Diseases (NIAID) for the National Institutes of Health (NIH) Support for Conferences and Scientific Meetings (R13). Dr. Smith has also served on numerous local review panels at the University of Illinois.

Clifford P. Weisel, Ph.D.
Rutgers University

Affiliation: Professor, Rutgers University, Piscataway, New Jersey

Expertise: Exposures to chemical agents; multi-route exposures to environmental contaminants; the association between exposure and adverse health effects; utilization of sensors for continuous exposure measurement; and development and application of biomarkers of exposure

Education: Ph.D., Chemical Oceanography, University of Rhode Island; M.S., Analytical Chemical, University of Rhode Island; B.S., Chemistry, State University of New York at Stony Brook

Experience Summary: Dr. Clifford Weisel is a Professor at Rutgers University and a member of the Exposure Science and Epidemiology Division of the Environmental and Occupational Health Sciences Institute. He is Director of the Doctoral Degree Program in Exposure Science offered by Rutgers University. Dr. Weisel's research focuses on understanding exposure to chemical agents, with an emphasis on multi-route exposures to environmental contaminants, the association between exposure and adverse health effects, utilization of sensors for continuous exposure measurement, and development and application of biomarkers of exposure. He has examined the relationship among indoor, outdoor and personal exposures to air pollutants; documented the importance of inhalation and dermal exposure to contaminants; characterized exposures within the transportation sector; and examined exposure and health issues related to disinfection by-products in water. Dr. Weisel is past President (2007-2008) and Treasurer (2000-2003) of the International Society of Exposure Science (ISES).

Panel Experience: Dr Weisel has served on numerous international and national advisory committees, workshops and advisory review panels. His panel experience has included the National Academy of Sciences Committee to Review the U.S. EPA's “Science to Achieve Results” Research Grants (2015). Dr. Weisel served as Chair of the U.S. EPA’s “Guidelines for Human Exposure Assessment” review panel (2015) and has recently completed a term with the National Institute of Environmental Health Sciences (NIEHS) Powering Research through Innovative Methods for Mixtures in Epidemiology (PRIME) R01 Study Section (2016). Dr. Weisel is currently a member of the EPA Chemical Safety for Sustainability Board of Scientific Counselors (BOSC) Subcommittee and is a member of the Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel (2018-2021).

Raymond S.H. Yang, Ph.D.
Colorado State University

Affiliation: Professor (Emeritus), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado

Expertise: Physiologically-based pharmacokinetic modeling; biologically-based computer modeling; in vitro – in vivo extrapolation; Toxicology and Risk Assessment of Chemical Mixtures and Multiple Stressors, Carcinogenesis, Reproductive and Developmental Toxicology, Neurotoxicity

Education: Ph.D., Toxicology/Entomology, North Carolina State University; B.S., Biology, National Taiwan University

Experience Summary: Dr. Raymond Yang is Professor Emeritus of Toxicology and Cancer Biology at the College of Veterinary Medicine and Biomedical Sciences, Colorado State University (CSU). Currently, Dr. Yang works part-time as an International Consultant. Part of his services includes the teaching of a “PBPK Modeling Workshop for Beginners” at CSU and elsewhere in the US, Europe, and Asia. Dr. Yang’s research interests focus on physiologically-based pharmacokinetic/ pharmacodynamic (PBPK/PD) modeling, and other biologically-based computer modeling with a special emphasis on the toxicology and risk or safety assessment of chemical mixtures, poly-pharmacy, and multiple stressors, including radiation. Dr. Yang has had extensive research and administrative experience in academia, chemical industry, and the federal government and is a Fellow of the Academy of Toxicological Sciences.

Panel Experience: Dr. Yang has served on many prestigious national and international scientific committees and advisory panels as a member of the Safe Drinking Water Subcommittee on Mixtures, National Research Council/National Academy of Sciences (NAS) (1987-1988); Air Quality Science Advisory Board member, State of Colorado (1992-1998); Steering Committee Member, Decision Support Methodologies for Human Risk Assessment of Toxic Substances, Agency for Toxic Substance and Disease Registry (ATSDR), Department of Health and Human Services (DHHS) (1994-1999); member on the Committee on Interactions of Drugs, Biologics, and Chemicals in Deployed U. S. Military Forces, Institute of Medicine (IOM), NAS (1995-1996); Expert Panel Member, Risk Assessment for Mixtures of Drinking Water Disinfection-Byproducts, International Life Sciences Institute/U.S.EPA, Washington, DC (1996-1997); Commissioned author on Health Risks and Preventive Research Strategy for Deployed U.S. Forces from Toxicologic Interactions Among Potentially Harmful Agents, National Research Council, NAS (1998-1999); Expert Panel member for Chemical Mixtures, Health Council of the Netherlands (2000); member of the Society of Toxicology Expert Panel on Chemical mixtures (2001-2002); Chemical Mixture Committee member to National Occupational Research Agenda, National Institute for Occupational Safety and Health (NIOSH) (2001-2010); member of the Environmental Health Sciences Review Committee (Study Section for Center Grants, and Training Grants), National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health (NIH), DHHS (2001-2005); Board of Scientific Counselors, Agency for Toxic Substances and Disease Registry (ATSDR) and National Center for Environmental Health (NCEH), CDC, DHHS (2004-2007); International Workshop Panel Member on Mixture Toxicity, Society of Environmental Toxicology and Chemistry (SETAC)/NoMiracle (European Union) (2006); Various capacities as a Scientific Advisory Member, National Health Research Institutes, Zhunan, Taiwan (2008-present). Dr. Yang was appointed as an ad hoc participant for the Federal Insecticide, Fungicide, and Rodenticide Act Scientific Advisory Panel reviewing PBPK Modeling Applications in Risk Assessments of Six Pesticides (2017). Dr. Yang is currently a member of the FIFRA SAP (2018-2021).