2007 – 2010 Director, Environmental Policy Program, School of Public Policy, University of Maryland, College Park, Maryland.
2006 – 2012 Founding Director, Center for Integrative Environmental Research (CIER), Division of Research, University of Maryland, College Park, Maryland.
2004 – 2012 Founding Co-Director, Engineering and Public Policy Program, University of Maryland, College Park, Maryland.
2003 – 2012 Co-Director, Program in Conservation Biology, Sustainable Development and Public Policy, University of Maryland, College Park, Maryland.
2002 – 2012 Director, Ecological Economics Certificate Program, University of Maryland, College Park, Maryland.
2000 – 2006 Director, Environmental Policy Program, School of Public Policy, University of Maryland, College Park, Maryland.
1993 – 2000 Director of Graduate Studies, Center for Energy and Environmental Studies, Center for Energy and Environmental Studies, Boston University, Boston, Massachusetts.