Member Leadership
The American Concrete Pipe Association (ACPA) is a member-driven association made up of small, medium, and large concrete pipe and box culvert producers. Our member leadership has a strong tradition of inspiring and engaging members from all producers and driving the industry forward.
Executive Committee
Steve Hoesing
Chairman of the Board
County Materials Corporation
Thomas G. Hartley
Vice Chairman
Rinker Materials
Rocky Lorenz
Treasurer
AmeriTex Pipe & Products
Hank Gottschalk
Secretary
Concrete Pipe & Precast
Branimir Kovac
Past President
Thompson Pipe Group
Board of Directors
Steve Hoesing
Chairman of the Board
County Materials Corporation
Thomas G. Hartley
Vice Chairman
Rinker Materials
Branimir Kovac
Past President
Thompson Pipe Group
Rocky Lorenz
Treasurer
AmeriTex Pipe & Products LLC
Hank Gottschalk
Secretary
Concrete Pipe & Precast
Alan B. Zipperer
SE Region Representative
Diamond Concrete Products, LLC
Daniel Buehler
Associate Representative
Afinitas
David G. Swenson
Associate Representative
Eastern States Steel Corporation
Mark Omelaniec
CAN Region Representative
The Langley Concrete Group of Companies
Adam Disbrow
At-Large Representative
Rinker Materials
Scott Hofer
At-Large Representative
Oldcastle Infrastructure A CRH Company
David Marchbanks
Individual Membership
Gossett Concrete Pipe Co., Inc.
Bill Washabaugh
NE Region Representative
Northern Concrete Pipe
Committee Chairs
Aimee Connerton
Education Committee
Rinker Materials
Riley Dvorak
Infrastructure
Rinker Materials
Corey Haeder
Research
Rinker Materials
Thomas G. Hartley
Audit Committee Chair
Rinker Materials
Jake Jyrkama, P.E.
Quality
Rinker Materials
Todd Marciniak
Safety & Environmental
Northern Concrete Pipe
Jennifer Schaff, P.E.
Marketing Committee
County Materials Corporation
John Susong, P.E.
Government Relations Committee
Rinker Materials
Edward C. Page, P.E.
Technical Committee
Concrete Pipe & Precast LLC
David G. Swenson
Associate Committee
Eastern States Steel Corporation
Bill Washabaugh
Sustainability, Resilience, & Environmental Leadership Committee
Northern Concrete Pipe