Professional Assignments and Extramural Activities

Diplomate, American Board of Toxicology (1996-present)

Co-Chair, Homeland Security Panel, GEIA Vision Conference (2003-present)

Member, ASTM Standards Technical Committee on Homeland Security Applications (E54), Biological Effects and Environmental Fate (E47), Healthcare Informatics (E31) and Occupational Safety and Health (E34) (2004-present)

CSC (DynCorp) Corporate Representative, International Medical Informatics Association (2001-2004)

Member, Homeland Security Task Group, Government Electronics and Information Technology Association (GEIA) Annual Forecast Conference (2002-Present)

Team Leader, Homeland Security, Science and Technology Team, Government Electronics and Information Technology Association (GEIA) October 2003 Annual Forecast Conference (Washington, DC)

Member, Hospital Preparedness and Surge Capacity Assessment Team (2002). USA Secure (Washington, DC)

Member, Task Group 3 (Informatics Tools).  Washington Hospital Center, Bioterrorism Hospital Preparedness Project (ER One). 2002

Member, Work Group 1 (Health and Medical Informatics Education). International Medical Informatics Association 2003

Member, EPA External Peer-Reviewer for Toxicology of Soluble Nickel Salts (2002)

Member, EPA External Peer-Review Committee on Disinfectant Byproducts Risk Assessment (2000)

Member, Ecological Soil Screening Levels Workgroup (Task Group 7, Exposure Models), EPA/OERR, Washington, DC (1998)

Member, Expert Panel, Risk Screening Environmental Indicators:  Human Health and Ecological Risks. EPA/OERR, Washington, DC (1998-99)

Member, Expert Panel on Toxicology and Hazard Assessment of Chemical Mixtures.  Agency for Toxic Substances and Disease Registry (ATSDR), Center for Diseases Control and Prevention, Atlanta, GA. (1997)

Member, Health Effects Advisory Panel of the Department of Defense Non-Lethal Weapons Directorate (1998-2002)

Member, Peer Review Panel on Chemical Mixtures Toxicology Research, at Agency for Toxic Substances and Disease Registry (ATSDR), Center for Diseases Control and Prevention, Atlanta, GA. (1997)

Member, Selection Committee for the Environmental and Engineering Fellows of the American Association for the Advancement of Science Technology and Policy Fellowship Program , Washington, DC (1997-2004)

Member, Selection Committee for the Robert C. Barnard Environmental Science Scholarship Award to AAAS/EPA Environmental Science and Engineering Fellowship Program (1997-2003)

Member, EPA expert panel to review risk assessment in support of the proposed revised regulations for burning hazardous wastes in incinerators under 40 CFR Part 264/265/266 (1996)

Subject expert in Toxicology for Interfaith Community Organization (ICO) in the ICO v. State of New Jersey in connection with ICO's risk assessment of hazardous wastes at Liberty State Park, NJ (1996)

Chairman, Panel Discussion of scientists from the Health Sciences Division, Oak Ridge National Laboratory (Oak Ridge, TN) and visiting scientific delegation-supported by the National Academy of Science's Young Investigator's Program on Changing Focus of Environmental Health Research in the US and Eastern Europe (1994)

Adjunct Associate Professor, Department of Biology, George Mason University, Fairfax, VA.  Supported  and lectured a graduate-level course in risk assessment (1990-95)

Member, EPA's expert panel to review and revise the technical methodologies in non-cancer risks assessment. Environmental Criteria and Assessment Office, Cincinnati, OH (1990 and 1992)

Invited by the Department of Agricultural Sciences, Kyoto University, Kyoto, Japan, to study and conduct research on tissue culture methods to produce pharmacologically active secondary metabolites (1984)

Selected to participate in a joint program organized by the International Cell Research Organization (ICRO) and UNESCO to develop modern biochemical techniques to monitor the prevalence of tropical diseases in southeast Asia, Institute of Public Health, Hanoi, Republic of Vietnam (March-April 1982)

Member of the Board on the ARMA Medical Foundation and Laboratory, Madras, India.  The Foundation aims to develop projects on public health monitoring using serodiagnostic methods for major tropic diseases (1998-2000)

External peer reviewer for the Journal of the American College of Toxicology, Journal of Toxicology and Environmental Health, and Regulatory Toxicology and Pharmacology

Member, Sigma Xi

Member, International Medical Informatics Association

Member, American Association of Advancement of Science

Member, American College of Toxicology

Member, American Biological Safety Association