Jan Philipp Jenisch is a German-born business executive (born 1966) serving as Chair and Chief Executive Officer (CEO) of Amrize Ltd (AMRZ) since June 2025, when the company—previously Holcim's North American division—spun off as an independent publicly traded entity listed on the NYSE and SIX Swiss Exchange.( Amrize, with annual sales of approximately $11.7-12 billion, focuses on building materials from foundation to rooftop, operating over 1,000 sites in the US and Canada, and has pursued aggressive growth through organic expansion and $7 billion in acquisitions over the past four years.(

Jenisch's career highlights include CEO of Sika AG from 2012 to 2017 (joining in 1996), CEO of Holcim from 2017 to 2024, and Holcim board chair from 2023 to 2025.( He has held prominent roles such as president of the Global Cement and Concrete Association (2021-2023) and board memberships at organizations like the European Round Table for Industry.( Recently, as Amrize CEO, Jenisch purchased $5.8 million in company shares on October 30, 2025, signaling confidence amid market challenges.(

Written by Perplexity from public sources.

Filings come from SEC EDGAR. Not investment advice.