People

Switzerland: Holcim has appointed Jelena Stamenkovski as Lead of Clinker Decarbonisation.

Stamenkovski has worked for Holcim Group since 2008. She originally held senior production roles at Holcim’s subsidiary in Serbia. In 2015 she took up group process roles based in Switzerland, becoming the company’s Cement Industrial Operating System Manager from 2017 to 2021. She later became the Group Process Expert - Plants of Tomorrow – Decarbonisation in 2023. Prior to working for Holcim she worked at Titan Cement’s Skopje plant in North Macedonia.

Stamenkovski holds undergraduate and master’s degrees in process engineering from Saints Cyril and Methodius University in Skopje.

Iraq: Lafarge Iraq has appointed Farah Qahttan as Country Customer Service Manager. She has worked for the subsidiary of Switzerland-based Holcim since 2013 in a range of positions, becoming the company’s Country Packaging Manager in 2022. Qahttan is a graduate in chemical engineering from the University of Baghdad.

US: Summit Materials has appointed John Terembula as Senior Director, Grinding Technology. He previously worked for FLSmidth from 1994 to early 2024 in a variety of engineering and then product manager roles for grinding applications. His final position at FLSmidth was as Global Product Line Manager, Vertical Roller Mills. Terembula holds a degree in chemical engineering and materials from Lafayette College and an MBA from Temple University.

India: KHD Humboldt Wedag has appointed Anurag Johari as Assistant Vice President. He has worked for KHD in India since 2005 in a variety of roles. Johari is a graduate in chemical engineering from the National Institute of Technology, Warangal in Telangana.

Germany: The Supervisory Board of Heidelberg Materials has extended the mandate of Dr Dominik von Achten as chair of the Managing Board for an additional three years, until 31 January 2028. Dr von Achten has been leading the company since February 2020 and according to Heidelberg Materials, he has been instrumental in its global growth and the digitalisation and decarbonisation of the building materials industry, complemented by strong financial performance.

Dr Bernd Scheifele, chair of the Supervisory Board said “With Dr von Achten, we have an experienced manager at the helm of the company who has excellently positioned Heidelberg Materials on a global scale and set the course for the future with great commitment.” He continued "We look forward to continuing the trustful work with him. We are convinced that he will keep driving the transformation into a sustainable and digital future with verve and continue to successfully lead the company in the coming years.”

Dr von Achten has been part of Heidelberg Materials' Managing Board since 2007, serving as deputy chair since 2015 and as chair since 2020.