Leadership

Ron Henley

Chairman, PCA Board of Directors

Ron Henley, President - GCC of America, is Chairman of the Portland Cement Association (PCA) Board of Directors.

Prior to joining GCC of America, Henley was President of Boral Construction Materials.

Filiberto Ruiz

Vice Chairman, PCA Board of Directors

Filiberto Ruiz, President and Chief Executive Officer of Votorantim Cimentos North America, is Vice Chairman of the Portland Cement Association (PCA) Board of Directors.

Before joining Votorantim Cimentos North America, Ruiz was President and Chief Executive Officer at Holcim (US) and Aggregate Industries (US).

Tom Beck 
President 
Continental Cement Company

George Doumet 
President 
Federal White Cement Ltd.

Greg Hale
President
Capitol Aggregates

Allen Hamblen 
President and CEO 
CalPortland Company

Eric Holard 
CEO 
National Cement Company, Inc.

Tim Kuebler
President & CEO
Giant Cement Company

Kirk Light
President, Cement and Southwest Ready Mix
Martin Marietta

Monica Manolas
Regional President, Ash Grove South
Suwannee American Cement Company

Austin Marshall
President
Mitsubishi Cement Corporation

Jaime Muguiro
President
CEMEX USA

Enrique Rozas 
CEO 
Drake Cement LLC

Serge Schmidt
President, Americas Cement
CRH Americas Materials

Massimo Toso 
President and CEO 
Buzzi Unicem USA Inc.

William Wagner 
President 
Argos USA

Chris Ward
President & CEO
Lehigh Hanson Inc.

Walter Wulf 
Chairman of the Board & CEO 
The Monarch Cement Company

Bill Zarkalis 
Chief Executive Officer 
Titan America LLC