Recent Professional Activities

US EPA Science Advisory Board (SAB)

  • Chair of SAB Environmental Models Subcommittee, 1999-2003.
  • Member of SAB Dioxin Review Panel, 2010-2011

Member of National Research Council Committees:

  • Hazardous Wastes in Highway Rights-of-Way, 1990-1993
  • Remediation Priorities for Hazardous Waste Sites, 1991-1994
  • USGS Water Resources Research, 1993-1996
  • Risk Characterization, 1994-1996
  • 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
  • Risk Management and Governance Issues in Shale Gas Extraction, 2012 – 2014 (Chair)

Associate Editor, Environmental Science & Technology, 1995-2011.

Society for Risk Analysis

  • Elected Councilor, 1999-2002
  • Elected Secretary, 2005-2009
  • Fellow, 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 Advisory Board for Cranfield University (UK) Research Council/Defra Collaborative Centre of Excellence in Understanding and Managing Natural and Environmental Risks, 2009-2011.