Over the past 26 years, he has served as a member of the judiciary as Judge of the Court of Common Pleas in Bucks County, Pennsylvania; as Attorney General for the Commonwealth of Pennsylvania (1979-1980); and as a member of the United States House of Representatives (1967-1977). As a judge for twenty-six years, Biester presided over numerous civil and criminal cases, many of which either resolved or achieved settlement prior to trial. As Senior Judge in the Court of Common Pleas, he presided over a number of complex cases in various courts in Eastern Pennsylvania, including many in Philadelphia. As a member of the Judiciary Committee in the U.S. House of Representatives, Biester was ranking minority member of the sub-committee on Patents and Copyrights and as member of the Foreign Affairs Committee in the U.S. House of Representatives, he was ranking minority member of the African Sub-committee, and the sub-committee addressing International Economics. As Attorney General, among other things, Biester resolved disputes between and among various agencies of the Commonwealth. Mr. Biester's other honors and professional activities include; President, James A. Michener Art Museum, Doylestown, Pennsylvania, 2001-2006, Member of the Board of Directors, Overseas Development Council, 1977-1978, Member, National Governing Board of Common Cause, 1977-1978, Distinguished Alumnus Award-George School, Honorary Doctor of Laws from Delaware Valley College, 1977, Member, Board of Directors of the World Affairs Council of Philadelphia, 1977-1978, Member, Board of Directors, Welcome House International Adoption Agency, 1977-1978, Delegate to a Special Assembly of the United Nations General Assembly, 1975. Mr. Biester received a B.A. with honors from Wesleyan University in 1952 and his J.D. from Temple University School of Law in 1955.