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Nollaig Forrest is the Chief Sustainability Officer at Holcim. She 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 Holcim’s net zero transition, partnering with strategic influencers across the value chain, from architects and public authorities to media and employees, to decarbonise 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.

Nollaig is a member of the MIT Climate and Sustainability Consortium Advisory Council and a member of Bloomberg’s Cities Council for sustainable cities.


As the world’s global leader in building solutions, Holcim is reinventing how the world builds to make it greener, smarter and healthier for all. On its way to becoming a net zero company, Holcim offers global solutions such as ECOPact, enabling carbon-neutral construction. With its circular business model, the company is a global leader in recycling waste as a source of energy and raw materials through products like Susteno, its leading circular cement.

Innovation and digitalisation are at the core of the company’s strategy, with more than half of its R&D projects dedicated to greener solutions. Holcim’s 70,000 employees are committed to improving quality of life across more than 70 markets through its four business segments: Cement, Ready-Mix Concrete, Aggregates and Solutions & Products.