He became a member of the Board of the Holcim Foundation for Sustainable Construction in 2018.

He served as Chief Executive Officer of Holcim from 2017 to 2024. He has been a member of the Board of Directors since 2021 and is serving as its chairman since 2023. In January 2024, he was tasked by the Board of Directors to lead the planned US listing of Holcim’s North American business in his role as Chairman of the Board.

He joined Holcim as CEO in 2017, with the vision to lead Holcim to become the global leader in innovative and sustainable building solutions. Under his leadership, Holcim has reached a new level of strength, with record profitability levels, 60,000 people worldwide and industry leading ESG ratings. He launched the industry’s first global ranges of low-carbon and circular building solutions from ECOPact and ECOPlanet to ECOCycle®.

Prior to Holcim, Jan Jenisch served as Chief Executive Officer of Sika AG, a global leader in innovative systems and products for the building and automotive sectors. Under his leadership, Sika expanded its reach in high value markets, setting new standards of performance in sales and profitability, becoming a member of the Swiss Market Index, which includes the 20 largest listed Swiss companies.

Jan Jenisch studied in Switzerland and the USA, and graduated from the University of Fribourg, Switzerland, with a Master of Business Administration. In 2021 he received a Dr. h.c. from the University of Fribourg for his accomplishments as CEO of two SMI companies.