Mathias GAErtner

Head Legal & Compliance

Mathias Gaertner is Head Legal & Compliance and has been a member of the Group Executive Committee since September 2021.


Mathias Gaertner joined Holcim from Honeywell, where he most recently served as General Counsel of Honeywell Building Technologies, playing an instrumental role in the growth of the business. He is a proven senior legal leader in technology-driven building solutions with a solid track record in international mergers & acquisitions and compliance. 

Mathias studied at the University of Muenster, where he obtained his PhD, and is admitted to the German bar. Mathias is a German national and was born in 1973.

Mathias Gaertner

Meet the Holcim executive committee

Chief Executive Officer
Chief Financial Officer
Global Head, Solutions & Products Business Unit
Region Head Asia, Middle East & Africa
Region Head Latin America
Region Head North America
Chief Sustainability Officer
Head Legal and Compliance