Eleonore Sidos
CEO - National Cement Company, Inc.
Eleonore SIDOS VICAT was appointed CEO of National Cement Company Inc. on September 1, 2025. The company operates 2 cement plants and ~ 50 concrete batch plants across California, Alabama, Georgia, Tennessee and South Carolina.
Born in France, Eleonore represents the 8th generation of the VICAT family to work for the company since the invention of artificial cement by Louis VICAT in 1817.
Eleonore has served on the VICAT Board and Audit Committee since 2016 and joined VICAT full-time in July 2023 as head of accounting for Swiss subsidiaries before moving to the US as Deputy CEO in September 2024 and CEO since September 2025. Eleonore also has professional experience in strategy consulting (France, UAE, Saudi Arabia, India) and international organizations (Italy, Senegal). Eleonore holds a Master in Management Studies in Global Business and Society (MMS/GBS) from Yale SOM, a Master in Management from HEC Paris, a Master Degree in Engineering from statistics school ENSAE Paris, and a Bachelor in Law from Université Paris 1 Panthéon-Sorbonne.
