Nollaig Forrest

Nollaig Forrest is Chief Sustainability Officer (CSO) of Holcim, serving as a member of the Group Executive Committee and Board Member of the Holcim Foundation for Sustainable Construction since September 2023.

Nollaig Forrest joined Holcim in 2020 as Group Head of Corporate Affairs, in charge of Investor Relations, Group Communications, Public Affairs & Branding.

Since joining Holcim, Nollaig has played an instrumental role in leading Holcim’s net-zero transition, partnering with strategic influencers across the value chain – from architects and public authorities to media and employees – to accelerate the shift to sustainable building at scale.

Prior to Holcim, Nollaig served as Vice President Corporate Communications at Firmenich and held leading Public Affairs roles at Dow, DuPont and the World Economic Forum with a consistent focus on driving business as a force for good.

Nollaig holds a Masters Degree in International Relations from the Graduate Institute of International Studies in Geneva, Switzerland. She completed the Yale-WBCSD Sustainability Leadership, and INSEAD International Marketing programs. She is a founding member of the MIT Climate and Sustainability Consortium and serves on Bloomberg’s Cities Council for sustainable cities. She received the Leading Women Awards (LWA) from WBCSD in 2024, recognizing outstanding leadership of women in embedding sustainability in their company’s strategy and ranks in the world’s Top 100 CSOs.