(1961-1965)
Edwin W. Parkinson Pennsylvania Automotive Association
(1965-1969)
William R. B. Froehlich Pittsburgh Regional Planning Association
(1969-1972)
Robert S. Holmes United States Steel Corporation
(1972-1976)
John R. Dietz Gannett Fleming
(1976-1980)
Roy E. Cleveland Cleveland Brothers
(1980-1986)
Robert G. Bartlett L. B. Smith, Inc.
(1986-1993)
Ralph E. Peters Benatec Associates, Inc.
(1994-1999)
John Burkhardt Urban Engineers
(2000-2001)
Joseph P. Kirk Mon Fayette Expressway and Southern Beltway Alliance
(2002-2005)
H. Michael Liptak Highway Equipment & Supply
(2006-2010)
Ronald J. Drnevich, P.E. Gannett Fleming, Inc.(retired)
(2010-2011)
Barry J. Schoch, P.E. McCormick Taylor, Inc.
(2012-2016)
Thomas E. Lawson, P.E. Borton-Lawson, Inc.
Chairman, Board of Trustees
(1960-1978)
Michael Baker, Jr.