Length of service: <3 years

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, Non‑Executive Director at Ainscough Crane Hire Limited and Non-Executive Director at Gooch and Housego Plc.

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

Length of service: 6 years

Key areas of expertise: Clive is a Chartered accountant with extensive experience in industry both in the UK and internationally. He 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).

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

Length of service: 3 years

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, 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.

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

Length of service: 2 years

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: 2 years

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: Fund manager and Director of Harwood Capital LLP, which is a current shareholder in Trifast. Non‑Executive Director at Hargreaves Services plc, NIOX Group plc and eEnergy plc.