Saudi Arabia: Al Jouf Cement has appointed Bakr bin Atef Sindi as its CEO. He succeeds Samir bin Mohammed Al-Rahili in the role.

Sindi holds 25 years’ of professional experience and has held managing roles for industrial and banking companies. He holds an undergraduate degree in mining engineering from King Abdulaziz University.

Austria: Alpacem has appointed Philipp Habjanic as the plant manager of its Peggau plant. He will take responsibility for both Alpacem and InterCal operations at the site. He succeeds Florian Salzer in the role, who had been managing the site on an interim basis since late 2023.

Habjanic has worked for Alpacem since 2020. He started as Project Manager Mining and Processing and became the Head of Process Engineering and Project Planning in late 2023. He holds a master’s degree in mineral processing from the University of Leoben.

Both Alpacem and InterCal are subsidiaries of Wietersdorfer Group. Alpacem produces cement and concrete products. InterCal manufactures lime products. InterCal operates quarries and a lime plant at Peggau. In late 2025 Alpacem, InterCal, and Innofreight announced that they were building an intermodal terminal at the site.

US: Amrize has appointed Andres Navarro Martinez as the plant manager of its Hagerstown cement plant in Maryland.

Navarro Martinez has worked as an Area Manager for Amrize since mid-2025. Before this he worked for Holcim since 2008. He started as a process engineer for Holcim Spain. Subsequently, he held process engineering roles for group subsidiaries in Nigeria, France and the US. He became Production Manager for Holcim in the US based at Alpena in 2017 and then an area manager in 2021. Navarro Martinez holds a master’s degree in mechanical engineering from the University of Murcia and an executive master’s of business administration qualification from the EAE Business School.

Austria: Lukas Himler-Bürger, has been appointed as Head of Mergers & Acquisitions and Special Projects for the Wietersdorfer Group, the parent company of Alpacem. In his new position, the 33-year old will focus on the further development of the group’s corporate strategy, the evaluation and implementation of growth initiatives and on international strategic projects in the group's five business units. The goal is to sustainably secure the long-term competitiveness of the Wietersdorfer Group.

"Our international focus and the increasing dynamism of our markets require a clearly structured and consistently implemented group strategy," said Michael Junghans, CEO of the Wietersdorfer Group. "Lukas Himler-Bürger brings his international consulting experience and a sound understanding of industrial value creation to this role."

Himler-Bürger has experience in international strategy consulting and in the industrial sector. Prior to joining the Wietersdorfer Group, he worked at McKinsey & Company, where he advised companies on strategic issues, transformation and growth programmes.

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