For the past five years as a Public Strategies Managing Director, Billy has directed the U.S. government sales strategy for ViaNovo a worldwide provider of information technology services and has managed a coalition of finance corporations and real estate associations. He also directed strategic advocacy projects for diverse clients, including: a Catholic health system, a global computer manufacturer, an international Real Estate Investment Trust, an election system hardware and software manufacturer, a scientific research and development non-profit and a real estate development company.

Billy's work on electoral campaigns dates to 1969 and includes races for local, state, congressional and presidential offices. He served U.S. Senator Lloyd Bentsen (Texas) for ten years and was Chief of Staff to U.S. Representatives Jim Chapman (Texas) and David Price (North Carolina), also serving on the staffs of the House Appropriations and Budget Committees.

Billy is a regular guest lecturer on Congress and elections at the United States War College, the Johns Hopkins University Center for Strategic and International Studies and the Industrial College of the Armed Forces. He also served as Chairman of the Duke University School of Law Center for the Study of Congress. Billy attended the University of Texas at Austin.