Length of service: Appointed to the Board on 10 August 2023.

Key areas of expertise: Serena is an experienced FTSE Chair and Board member. Her Executive career spanning more than 20 years across multi-sector industries both in the UK and internationally has allowed Serena to develop her skills and understanding of commercial business, at varying stages of growth covering strategy, transformation and M&A.

Other directorships: Senior Independent Non-Executive Director at Henry Boot PLC and Non-Executive Director at Ainscough Crane Hire Limited.

Committee membership: A member of the Nomination and Responsible Business Committees.

Length of service: 4 years; appointed to the Board on 30 July 2020.

Key areas of expertise: Chartered accountant with extensive experience in industry both in the UK and internationally. Retired in 2019 as Group Finance Director at Spectris plc.

Other directorships: Senior Independent Non‑Executive Director at Breedon Group plc (Audit & Risk Chair), Non‑Executive Director at discoverIE Group plc (Audit & Risk Chair) and Kier Group plc (Audit & Risk Chair). Clive also holds a school governor position with St. Helen’s School, Northwood London and has Directorships with St. Helen’s Enterprises Limited.

Committee membership: Chair of the Audit & Risk Committee and a member of the Nomination, Remuneration and Responsible Business Committees.

Length of service: Appointed to the Board on 3 January 2023.

Key areas of expertise: Louis has had an executive career within the building industry both in the UK and internationally. He has significant commercial knowledge of manufacturing and supply, strategic planning and M&A. Louis was previously CEO at Tyman plc (2010-2019), and prior to that held senior management roles with Kingspan Group plc, Baxi Group Ltd, Lafarge SA and Caradon plc.

Other directorships: Non-Executive Director at Accys Technologies plc, Ibstock plc and Howden Joinery Group plc, (appointed June 2023).

Committee membership: Chair of the Responsible Business Committee and a member of the Nomination, Remuneration and Audit & Risk Committees.

Length of service: Appointed to the Board on 11 March 2024.

Key areas of expertise: Laura, having worked in a number of organisations within the listed, private and charitable sectors, is an experienced operational and non-executive director with a strong focus on brand, customer and workforce engagement and responsible business.

Other directorships: Non-Executive Director at Macfarlane Group plc.

Committee membership: Chair of the Remuneration Committee, and member of the Nomination, Audit & Risk and Responsible Business Committees.

Length of service: Appointed to the Board on 20 October 2023.

Key areas of expertise: Nicholas worked at New York based Gabelli Asset Management from 2014-19 where he focused on equity research, investments, merger arbitrage strategies and marketing Closed End Funds. In 2019 Nicholas returned to the UK to join Harwood Capital LLP.

Other directorships: Nicholas is a fund manager and Director of Harwood Capital LLP, who are a current shareholder in Trifast. In addition to his executive roles within the Harwood Group, Nicholas is a Non-Executive Director with AIM listed Hargreaves Services plc and NOIX Group plc.