Senator, Delaware State Senate, District 1, 1976-2021

Majority Leader, Delaware State Senate, 2003-2006

Majority Whip, Delaware State Senate, 1981-1982, 1987-1988, 1991-1993, 1997-1999

Former Member, Agriculture Committee, Delaware State Senate

Former Member, Banking, Business & Insurance Committee, Delaware State Senate

Former Chair, Children, Youth and Families Committees, Delaware State Senate

Former Chair, Energy Committee, Delaware State Senate

Former Member, Energy and Transit Committee, Delaware State Senate

Former Member, Environmental & Natural Resources Committee, Delaware State Senate

Former Chair, Environmental, Natural Resources & Energy Committee, Delaware State Senate

Former Member, Ethics Committee, Delaware State Senate

Former Member, Executive Committee, Delaware State Senate

Former Chair, Finance Committee, Delaware State Senate

Former Member, Health, Children & Social Services Committee, Delaware State Senate

Former Member, Insurance & Telecommunications Committee, Delaware State Senate

Former Vice Chair, Joint Committee on Finance, Delaware State Legislature

Former Member, Judiciary Committee, Delaware State Senate

Former Member, Permanent Rules Committee, Delaware State Senate

Former Chair, Renewable Energy Portfolio Standards Working Group, Delaware State Senate

Served, United States Marine Corps, 1960-1966

Chairman, Delaware Sustainable Energy Utility, present

Member, Energy & Agriculture Committee, National Conference for State Legislatures, present

Member, Environmental Protection Agency, National Action Plan for Energy Efficiency, present

Co-Chair, International Council of Delaware, present

Founder, Legislators Clean Energy Policy Committee, present

Member, National Action Plan for Energy Efficiency, present

Founder/Board Member, National Coalition of Environmental Legislators, present

Member, Governor's Energy Commission

Chair, Juvenile Justice Oversight Committee

Member, Northeast United States Task Force on Global Warning

Board of Directors, Retired and Senior Volunteer Program

Vice Chair, Science Energy and Technology, National Conference of State Legislatures

Chair, Eastern United States Legislative, Clean Air Policy Committee, 1995-1996

Chair, Executive Committee/Energy and Environment, Council of State Governments, 1992-1996

Member, National Environmental Partners, 1993-1996