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Carmen Diaz was appointed Chief People Officer of Holcim in October 2024 before her role was expanded to Chief People and Sustainability Officer of Holcim in June 2025. She became a member of the company's Executive Committee in July 2025.
Carmen is responsible for aligning Holcim’s People and Sustainability agenda with its NextGen Growth 2030 strategy.
Carmen held commercial and general management roles with Holcim since 2002 in Spain, France, and the UK. She served as CEO of Holcim Spain from 2022 where she achieved record performance. As a Board Member of the Holcim Foundation, she champions sustainable urban development and is dedicated to driving long-term value for both the organisation and the planet.