Professional Activities
US EPA Science Advisory Board (SAB)
Member, Environmental Engineering Committee, 1985-1991
Consultant to SAB, 199-2012
Chair of SAB Environmental Models Subcommittee, 1999-2003.
Recent SAB Panels:
Member of SAB Expert Elicitation Advisory Panel, 2009.
Member of SAB Dioxin Review Panel, 2010-2011
US EPA ORD Board of Scientific Counselors (BOSC), 1996-2002
US EPA External Review Panel for ORD National Exposure Research Laboratory, Ecological Research Division, 2007.
Member of National Research Council Committees:
Hazardous Wastes in Highway Rights-of-Way, 1990-1993
Remediation Priorities for Hazardous Waste Sites, 1993-1994
USGS Water Resources Research, 1993-1996
Risk Characterization, 1994-1993
Environmental Remediation at Naval Facilities, 2000-2002
Changes in New Source Review Programs for Stationary Sources of Air Pollutants, 2004-2006
Review of Department of Homeland Security's Approach to Risk Analysis, 2008-2011
Chair of Risk Management and Governance Issues in Shale Gas Extraction, 2012-2014
Associate Editor, Environmental Science & Technology, 1995-2011.
Managed reviews in the areas of policy analysis, environmetal modeling, environmental statistics, sustainability, and other journal topics.
Society for Risk Analysis
Elected Councilor, 1999-2002
Elected Secretary, 2005-2009
Fellow, 2003-
Planning Committee for First World Congress on Risk, Brussels, Belgium, June 2003.
Independent Third Party Administrator for Peer Consultation Panel on EPA-DuPont PFOA Site Related Environmental Assessment Program 2008-2009.
Member of Allegheny County Health Department (ACHD) Air Toxics Advisory Committee reviewing revisions of the ACHD air toxics program, 2010-2013.
Chair of DOE Independent Peer Review Committee for Multimedia Models for Use in Programmatic Environmental Impact Statement RIsk Assessment, 1994.
Panelist for EPA Risk Assessment review on Selecting Input Distributions for Exposure Assessment, 1997, 1998.
Review Panel Member for NIEHS Superfund Basic Research program 1999, 2012.
Scientific Advisory Committee, Harvard EPA Center on Ambient Particle Health Effects, 2000-2003.
EPA Peer Review Committee review of draft Risk Assessment Guidance for Superfund (RAGS), Volume 3A, 2000.
Member of EPA Science Advisory Board Review Panel for selection of EPA employees to receive Scientific and Technological Achievement Awards (STAA), 2001.
Member of Review Panel for EPA Superfund Minority Institutions Program on Hazardous Substance Research, 2002.
Member of Jury Panel for the Annual Heinz Award in Technology, the Economy and Employment, 2001-2003.
Appointed Expert Scientist to advise US EPA Ecological Research Program (ERP) on methods for Decision Support. Application to coral reefs management in US coastal waters, 2009-2012.
Academic Advisory Panels
University of North Carolina, Department of Environmental Science and Engineering, Graduate Program Review, April 2000.
Member of Review Panel for Helmholtz Gemeinschaft Research Programme in Earth and Environment: Sustainable Use of Landscapes, Leipzig=Halle, Federal Republic of Germany, June 2003.
Chair of Advisory Board for Cranfield University (UK) Research Council/Defra Collaborative Centre of Excellence in Understanding and Managing Natural and Environmental Risks, 2009-2011.