Nollaig Forrest

Chief Sustainability Officer

Nollaig Forrest is Chief Sustainability Officer, and was appointed as a member of the Group Executive Committee in 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 Holcim’s net-zero transition, partnering with strategic influencers across the value chain – from architects and public authorities to media and employees – to decarbonize 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 Swiss national and was born in 1976.

Other activities and functions

  • Member of the MIT Climate and Sustainability Consortium Advisory Council 
  • Member of Bloomberg’s Cities Council for sustainable cities


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