CARMEN DIAZ

Chief People and Sustainability Officer

Carmen Diaz was appointed Chief People Officer in October 2024, before her role was expanded to Chief People and Sustainability Officer in June 2025. She became a member of the Executive Committee in July 2025.

Background
 

Carmen is responsible for aligning Holcim’s people and sustainability agenda with our NextGen Growth 2030, with a clear purpose to build progress for people and the planet through sustainability while creating the best workplace.

Joining Holcim in 2002, Carmen held commercial and general management roles in Spain, France, and the UK. Serving as CEO of Holcim Spain from 2022, she achieved record performance, creating an empowered performance culture and enhancing Holcim’s reputation as a top employer.

A Spanish national born in 1977, Carmen holds a degree in Chemical Engineering from the University of Oviedo and an MBA from ECA Spain, and has completed IESE General Management and ESADE Board of Directors programs.