Professor & Chair ESF , Environmental Resources Engineering 20 11 - present Professor ESF , Environmental Resources Engineering 2009 - present Visiting Professor U of Cyprus, Civil & Environmental Engineering 2005 - 2006 Associate Professor ESF , Environmenta l Resou rces & Forest Engineering 2005 - 2009 Assistant Professor ESF , Environmental Resources & Forest Engineering 1999 - 2005 Research Scholar National Aeronautics & Space Administration GSRP 1997 - 1999 Research Scholar Environmental Protection Agency EMAP 1994 - 1996 Research Associate Environmental Law Institute, Washington DC 1992 - 1994 Volunteer U.S. Peace Corps & Honduras Forest Service 1990 - 1992