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Dame Alison Nimmo DBE

Senior Independent Director and former CEO of The Crown Estate

Alison NimmoAs Chair of the Mace Advisory Board since 2022, Alison joined the Mace Group Board when it was established in January 2025 and serves as Mace’s Senior Independent Director. She also Chairs the Safety & Responsible Business Committee and is a member of RemCo and NomCo. 

With over 35 years’ experience in the real estate sector, Alison currently sits on the boards of Cadogan and Thomas White Oxford.  She’s a commissioner of the Royal Commission for the Exhibition of 1851 and a member of Imperial College London’s Property Committee. 

Prior to her role as Chief Executive of The Crown Estate, Alison led the design and delivery of the London 2012 Olympic and Paralympic Games venues as Director of Regeneration and Design at the Olympic Delivery Authority. Leading on sustainability and legacy, she worked closely with Mace throughout the project. 

Alison’s early career focussed on leading major city centre regeneration projects in Manchester and Sheffield.  Previous PLC Board roles have included Berkeley Group Plc and St Modwen Properties, and she was the lead Non-Executive in DLUHC.