The Slag Cement Association (SCA) announced Herb Moeckel, vice president and general manager of Ozinga Cement, a division of Ozinga, as its next president. He previously served as the association’s vice chair and has been a member of its board of directors for eight years.
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The World Cement Association (WCA) has appointed Philippe Richart as its new chief executive officer. He succeeds Ian Riley, who has played a central role in strengthening the association’s position as a credible, independent voice for the global cement industry over the last five years.
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CalPortland Co. Chief Operating Officer Bill Mullen kicks off the new year with a new role: president, effective Jan. 1. He will continue to work closely with Allen Hamblen, who remains chief executive officer.
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The board of directors of Grupo Argos has appointed Juan Esteban Calle as the next president of Grupo Argos, effective April 1, 2026. For the past 10 years, he has served as president of Cementos Argos, Grupo Argos’ building materials company.
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Monica Manolas, region president, Ash Grove East, is now the first woman in the American Cement Association’s (ACA) history to be elected chair of its board of directors.
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Sublime Systems, a U.S. manufacturer working toward clean, innovative cement production, promoted Chief Operating Officer Rob Davies to the position of chief executive officer, and added two other board positions to accelerate the company’s growth to commercial manufacturing.
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The Plibrico Company appointed John Paul Surdo as its new president and chief executive officer, following the retirement of Brad Taylor. With this transition, Plibrico is carrying forward its legacy of customer partnership as it enters a new phase focused on growth, innovation and long-term value.
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Fives FCB USA Inc. appointed three “highly experienced professionals” to help structure its local operations and accelerate its development in North America: Geovanni Calderon as chief technical officer, Matt Devitt as business development director and Jeff Sharratt, in charge of services.
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Progressive Planet appointed Dr. Doug Brown as president and CTO of Progressive Planet Alberta, a wholly owned subsidiary of Progressive Planet Solutions.
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Peruvian producer UNACEM announced Rafael Villalona as head of its North American business. He will lead its integrated cement, concrete and aggregate operations in Arizona and California.
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