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PACA Board Members

PACA Board of Directors

Leading the Organization in 2025 and Beyond

Following is the roster of PACA's Board of Directors and Executive Committee.

As of January 6, 2025

Officers

Chairman
Jamie Stilley, Amerikohl Aggregates, Inc.

Vice Chairman
Travis Rohrer, Rohrer's Incorporated

Secretary / Treasurer
Jonathan Kolbe, Allegheny Mineral Corporation

Executive Committee

  • Jamie Stilley, Amerikohl Aggregates, Inc. (Chair)
  • Travis Rohrer, Rohrer's Incorporated (Vice Chair)
  • Jonathan Kolbe, Allegheny Mineral Corporation (Secretary/Treasurer)
  • Jeff Detwiler, New Enterprise Stone & Lime Co., Inc. (Immediate Past Chair)
  • Bob Housel, Masters RMC, Inc.
  • Rod Martin, Martin Stone Quarries, Inc.
  • Dan Schaffer, Heidelberg Materials US Cement LLC
  • Mark Carroll, Allan Myers (non-voting)
  • Michael Hawbaker, Glenn O. Hawbaker, Inc. (non-voting)
  • Rob Stewart, York Building Products (non-voting)
  • Richard Rohrssen, Greer Industries (non-voting)
  • Greg Donecker, Kemper (non-voting)

Board of Directors

2025-2026-2027

  • Jason Blase, Conewago Ready Mix
  • Christian Bononi, Holcim US
  • Jonathan Byler, Byler Materials Group
  • Michael Gentoso, Stavola Companies
  • Bob Housel, Masters RMC, Inc.
  • John Kibblehouse, Jr.; H&K Group

2025-2026

  • Thomas Bryan, III; Bryan Materials Group
  • Jay Mizack, Heidelberg Materials
  • Paul McCarthy, Pennsy Supply, Inc., a CRH company
  • Rory McCoy, Centre Concrete Company
  • Greg Reshenberg, Wendell H. Stone Company, Inc.
  • Dan Schaffer, Heidelberg Materials
  • Rob Stewart; York Building Products Company, Inc.
  • Joshua Williams, Buzzi Unicem USA

2025

  • Yonn Barrick, Keystone Cement Company
  • Mark Carroll, Allan Myers
  • Lisa Diliberto, Delaware Valley Concrete Co., Inc.
  • Michael Hawbaker, Glenn O. Hawbaker, Inc.
  • Rod Martin, Martin Stone Quarries, Inc.
  • John Rader, J.J. Kennedy, Inc.
  • Richard Rohrssen, Greer Industries

Immediate Past Chairman

  • Jeff Detwiler, New Enterprise Stone & Lime Co., Inc.

Associate Members (2023-2025)

  • Greg Donecker, Kemper Equipment (Chair)
  • Nathan Moore, Continental Placer, Inc. (Vice Chair, non-voting)

Young Leaders Development Group (YLDG) (2024)

  • Paul McAndrew, Masters RMC, Inc. (Chair, non-voting)
  • Austin Slater, Allegheny Mineral Corporation (Vice Chair, non-voting)

Counsel

  • Kevin Garber, Babst Calland

Lobbyist

  • Hank Butler, Butler Consulting, LLC

Communications Partner

  • Jill Helsel Gingrich, La Torre Communications
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