The Past Presidents Advisory Council consists of all past presidents of IBTTA. The council meets in conjunction with IBTTA board meetings, nominates Honorary Member candidates to be approved by the IBTTA Board, and performs other duties as assigned by the IBTTA President.
February 20, 2026:
Listen to TTI's Podcast 56, featuring Past President Mark Compton!
We were delighted to welcome so many past presidents to our 93rd Annual Meeting in Denver. Their continued engagement and support through the Past Presidents Advisory Council keep IBTTA’s legacy of leadership strong.
IBTTA Past Presidents from Left to Right
Mary Jane O'Meara, (1999), James Ely, (2007), James Hofmann, (2025), Javier Rodriguez, PE, (2015), Tim Stewart, (2018), Harold Worrall, Ph.D., (2002), Mike Heiligenstein (2014), Chris Tomlinson (2017), Kary Witt, (2009), Susan Buse, (2008), George Zilocchi, (1991), Bill Halkias, PE, F. ASCE, F. ITE, (2024).
Missing from photo but in attendance in Denver: Mark Compton, (2021) and Samuel Johnson (2020).
Watch the session, Honoring the Past, Inspiring the Future which was held in Denver at the 93rd Annual Meeting & Exhibition.
Chair
James Hofmann
North Texas Tollway Authority
Members
Susan Buse
SBuse Consulting
Lisa Callahan
Mark Compton
Pennsylvania Turnpike Commission
Santiago Corral
Buddy Croft
Ronald Delaney
John Driscoll
Testing Enterprises
James Ely
HNTB Corporation
E. R. Foley
Andrew Fremier, PE
Bay Area Toll Authority, Metropolitan Transportation Commission
Jordi Graells
Diane Gutierrez-Scaccetti
HNTB Corporation
Bill Halkias, PE, F. ASCE, F. ITE
HELLASTRON (Hellenic Association of Toll Roads Network)
Michael Heiligenstein
Infrastructure Resource Group
Robert Horr
AtkinsRéalis
Allan Johnson
Samuel Johnson
Acumen Building Enterprise, Inc.
Stephen Mayer
HNTB Corporation
Frank McCartney
AtkinsRéalis
Mary Jane O'Meara
HNTB Corporation
Jean-François Poupinel
Javier Rodriguez, PE
HNTB Corporation
Franco Schepis
Steven Snider
Canadian Association of Tolling Authorities
Tim Stewart
AtkinsRéalis
Emanuela Stocchi
AISCAT (Associazione Italiana Società Concessionarie Autostrade e Trafori)
Christopher Tomlinson
Deloitte Consulting LLP
Paul Violette
Kary Witt, P.E.
HNTB Corporation
Harold Worrall, Ph.D.
Transportation Innovations, Inc.
George Zilocchi
HNTB Corporation
Wanda Klayman
- 2025 | James Hofmann
- 2024 | Bill Halkias, PE
- 2023 | Andrew Fremier, PE
- 2022 | Diane Gutierrez-Scaccetti
- 2021 | Mark Compton
- 2020 | Samuel Johnson
- 2019 | Chris Tomlinson
- 2018 | Tim Stewart
- 2017 | Emanuela Stocchi
- 2016 | Earl J. "Buddy" Croft III
- 2015 | Javier Rodriguez, PE
- 2014 | Mike Heiligenstein
- 2013 | Robert G. Horr III
- 2012 | Jordi Graells
- 2011 | Frank G. McCartney
- 2010 | Steven Snider
- 2010-11 | Edward J. DeLozier (Honorary President)
- 2009 | Kary Witt, PE
- 2008 | Susan A. Buse
- 2007 | James L. Ely
- 2006 | Santiago Corral
- 2005 | Stephen F. Mayer, PhD
- 2004 | Jean-François Poupinel
- 2003 | Vincent L. Leonetti
- 2002 | Harold W. Worrall, PhD, PE
- 2001 | Paul E. Violette
- 2000 | Luis Ferreiro
- 1999 | Mary Jane O’Meara
- 1998 | James K. Brookshire Jr.
- 1997 | Lisa C. Callahan
- 1996 | Carney J. Campion
- 1995 | Franco Schepis
- 1994 | Russell I. Wilcox
- 1993 | Anthony J. Barber
- 1992 | Ronald J. Delaney
- 1991 | George P. Zilocchi
- 1990 | Henri Cyna
- 1989 | Allan V. Johnson
- 1988 | Robert J. Farrell
- 1987 | John R. Woodruff
- 1986 | Jose Luis Ceron
- 1985 | R. D. Fogo
- 1984 | Roger Ginocchio
- 1983 | Dale W. Luehring
- 1982 | K.C. Pearson
- 1981 | Vito Rocco
- 1980 | Stanley J. Britton
- 1979 | Roy G. Lancaster
- 1978 | Jorge Masiá Mas-Bagá
- 1977| Howard M. Reily
- 1976 | Lawrence J. Lewis
- 1975 | Phillip B. Lee
- 1974 | William J. Flanagan
- 1973 | E.R. Foley
- 1972 | John T. Driscoll
- 1971 | William J. Miller Jr.
- 1970 | Franklin V. Summers
- 1969 | Robert A. Tillett
- 1968 | W. Grant Mitchell
- 1967 | W.D. Hoback
- 1966 | L.W. Newcomer
- 1965 | Charles H. Taylor
- 1964 | Lawrence A. Rubin
- 1963 | James Adam
- 1962 | John Pershing
- 1961 | Frank J. Horty
- 1960 | Holden A. Evans
- 1959 | E. Bery Collard
- 1958 | D. Louis Tonti
- 1957 | Weldon H. Heyburn
- 1956 | Albert J. Wedeking
- 1955 | C. Ellison Kaumeyer
- 1954 | Roy Clippinger
- 1953 | Harry Taylor
- 1952 | Charles M. McCamic
- 1951 | James E. Ricketts
- 1950 | Billings Wilson
- 1948-49 | Louis J. Groene
- 1943 | S.P. Price
- 1942 | J.K. Beretta
- 1941 | T.R. Hanff
- 1940 | Ben E. Davis
- 1938-39 | John W. Beretta
- 1937 | W. L. Ingerick
- 1936 | Arthur A. Niessen
- 1934-35 | A. Clifford Shinkle
- 1933 | Dr. D.B. Steinman