US: Heidelberg Materials in North America has appointed Bill Fedorka as Senior Vice President, Fly Ash, Southeast Region. He succeeds Jim Clayton, who is retiring.
Fedorka started his career working for Alstom Power in the mid-1990s in engineering roles. He then joined The SEFA Group in 2005 and worked there until 2025. He worked as the Director of Utility Relations until 2011 when he became Vice President of Operations. In 2015, he was promoted to Chief Operating Officer. The SEFA Group was acquired by Heidelberg Materials in 2023. Fedorka holds an undergraduate degree in mechanical engineering from Penn State University.

Switzerland: Holcim has appointed Vicente Camacho Molero as Head of Operational Technology.

Camacho Molero has worked for Holcim in Switzerland for nearly a decade. He moved to the company at group level in 2014 as Senior Automation Engineer. Before this he held process and project management jobs with Holcim España from 2000 to 2014. He holds an undergraduate degree in engineering from the University of Jaén, a master’s degree in industrial automation from the University of Almería and a master’s in business administration qualification from the Open University of Catalonia.

Spain: Votorantim Cimentos España has appointed Rubén Sánchez as the director of its Niebla plant.

Sánchez has worked for Votorantim Cimentos España in a variety of production roles since 2012. He became the director of the Oural plant in 2022. Before this, he held production roles at Cimpor from 2001 to 2012. He holds a degree in chemical engineering from the University of Santiago de Compostela and a master’s in business administration qualification from the European Institute of Business Studies.

Poland: Holcim Polska has appointed Marek Michalski as Chief Operating Officer for Industry.

Michalski has worked for Holcim and related companies since 2000. He worked as the plant manager of Lafarge Canada’s Richmond cement plant from 2023 to 2025. Before this he was the plant manager of Holcim Polska’s Kujawy cement plant from 2018 to 2023. Michalski worked for Geocycle in 2017 and 2018. Prior to this he held positions with Lafarge, mostly in Poland, from 2000 to 2014. He notably became the plant manager of the Lwów cement plant in Ukraine in 2012 and 2013. Michalski holds a master’s degree in electrical and electronic engineering from the Bydgoszcz University of Science and Technology and a master’s in business administration qualification from the Warsaw University of Technology.