As part of its 2030 Sustainability Commitments, Votorantim Cimentos set a goal of having 25% of its leadership positions globally filled by women across the nine countries where it operates.
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The board of directors of Bruks Siwertell recently appointed Clas Gunneberg as chief executive officer. He has served as Interim CEO of the bulk handling company since March 2025 and now assumes the CEO role, following completion of the recruitment process.
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Mike Ireland, who has served as president and CEO of the American Cement Association (ACA) for the past eight years, announced his retirement. A search committee has been established to identify a candidate who will assume the organization’s leadership role.
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Carbon Upcycling Technologies, a next-generation supplementary cementitious materials (SCMs) provider, appointed Markus Kritzler as chief executive officer to lead the company’s expansion across North America and Europe. He succeeds co-founder Apoorv Sinha, who assumes the role of president.
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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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