Volunteer, Numerous Campaigns and Organizations, 1980s-present

Delegate, Republican Party State Convention, 1980s-present

Candidate, Texas House of Representatives, District 114, 2012

Candidate, Texas State House of Representatives, District 107, 2008

Representative, Texas State House of Representatives, 2003-2006

Alternate, Republican National Convention, 2000

Chairman, Grassroots Citizens of Dallas, 1991-1997

Board Member, City of Dallas-Environmental Health Commission, 1996-2001

Owner, William R. Keffer Professional Corporation, 2007-present

Managing Partner, Miller and Keffer Limited Liability Partnership, 2001-2007

Partner, Gardere and Wynne, 1993-2001

Service Attorney/Litigation Manager, Atlantic Richfield Oil and Gas Company, 1987-1993

Associate, Vial Hamiliton Koch and Knox, 1984-1987

Member, White Rock Lions Club, 2008-present

Member, Exchange Club of Lake Highlands, 2000-present

President, Highland Hills Homeowners Association, 1995-present

Board Member, Dallas Chapter of the Federalist Society, 1994-present

Member, Friends of Love Field, 1991-present

Board Member, Federalist Society, 1988-present

Member, State Bar of Texas, 1984-present

Member, Board of Advisors, Maguire Energy Institute, Cox School, Southern Methodist University

Chairman, Crime Watch 1088, 1995-2002

Member, Texas Historical Society

Columnist, Lake Highlands Advocate Magazine, 1993-2001

Chairman, Neighborhood Crime Watch, 1994-2001