Greece: Titan Group has appointed Horia Adrian as General Manager South East Europe Region.

Adrian previously worked as the CEO of Holcim Philippines from 2021 to 2024 and CEO Romania & Market Head Emerging Europe from 2018. Before this he worked for Lafarge Holcim with notable roles including Head of Business Transformation, CEO Middle East, CEO Eastern Europe & CIS, CEO of Holcim Russia and CEO of subsidiary Garadagh Cement. He started his career with Holcim in 2000 as a Project Manager for Ready Mixed Concrete and Aggregates in Romania. Adrian holds a master’s degree in mechanical engineering from Dunarea de Jos University and a master’s of business administration (MBA) from Ajou University.

Türkiye: Arkoz Ağrı Çimento has appointed Ömer as Production Manager (Product). He previously worked as Production Chief at Çimentaş in 2024 and 2025 and Limak Cement from 2022 to 2024. Earlier in his career he worked for Aşkale Çimento in production roles from 2012. Karadağ is a graduate in chemical engineering from Firat University.

US: Tim Kuebler has been appointed as the Chief Growth Officer at Argos Materials.

Kuebler previously worked as the CEO of Elementia USA from 2020 to 2025 and was the President & CEO of Giant Cement from 2017. Before this he worked for Titan America from 2003 in a variety of roles, eventually becoming Chief Government Affairs Officer in 2013 and     Vice President Titan Florida Materials in 2014. He also worked for Lehigh Cement from the mid-1980s in sales and marketing positions. Kuebler is a graduate in business administration and management from the University of North Texas and holds a master’s of business administration (MBA) from the JMU College of Business.

US: Amrize has appointed Sam Poletti as its Chief Financial Officer. He succeeds Baris Oran in the role, who is resigning for personal reasons.

Poletti has been a member of Amrize’s Executive Committee as its Chief Strategy and M&A Officer since the company’s formation in 2025. Before this, he worked for Holcim Group companies from 2007 starting as Senior Consultant, Management Consulting. In 2012 he took the role of Head of Strategy Development, Investments and Financial Planning at Ambuja Cements in Group Head of M&A in 2018. He has also worked for Leica. Poletti holds qualifications including a master’s degree in law and economics from the University of St. Gallen in Switzerland.