| (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 |
Gannett Fleming, Inc.(retired) |
| (2010-2011) |
| Barry J. Schoch, P.E. |
McCormick Taylor, Inc. |
| |
|
| (1960-1978) |
| Michael Baker, Jr. |
|
