Guy is a chartered accountant, a trustee at the Social Business Trust and a trustee at Parents and Children Together, an adoption charity. Previously he was a partner and head of financing at Permira, an international private equity firm. He has been a trustee of SSF since 2016.

Petrina is an English teacher at an East London secondary school where she leads the department's enrichment programme. Prior to teaching, she worked in operational and project management roles for notable organisations such as the Young Foundation, UpRising Leadership and Future First. Before joining SSF in September 2017, she served on the operational board of a teacher training school and was a member of the Foreign and Commonwealth’s Youth Inspiration Group advising on youth policy.

Geraint is the former Chair of the Welsh National Opera and co-founder and Chair of the Institute of Welsh Affairs. He was Controller of BBC Wales from 1990-2000 and chair of the Arts Council of Wales from 2003-06. Geraint is a Welsh speaker and writes and broadcasts extensively. He has been a trustee of SSF since 2014.

James is a partner at Bain & Company, the global management consulting firm, having joined the firm in 1996. He leads their Strategy Practice in the Europe, Middle East & Africa region. James is also an advisor to the Social Business Trust and a member of its Investment Committee. He has been a trustee of SSF since 2016.

Laura is a Partner and the Global HR Director at Clifford Chance, one of the world's leading law firms.  Before taking up leadership of the firm's people and talent function, Laura's legal practice focused on structured finance capital markets work.  Laura has over 20 years experience at Clifford Chance. She is a member of the firm's Executive Leadership Group, Executive Operations Group and leads the firm's Global HR Leadership Group. In addition to heading strategy and operations for the firm's HR function, she is extensively involved in the firm's recruitment, development, diversity and inclusion initiatives.   Laura is also a Director of the Brampton Manor Academy trust.

Menna was Clerk to the Mercers' Company from 2008 to 2015, having previously spent 13 years working at the National Theatre. Menna is currently also a governor of The Royal Ballet School and of the Royal Central School of Speech and Drama, and a trustee of Wilton’s Music Hall and the National Centre for Early Music.  Previous trusteeships include 12 years at the National Foundation for Youth Music.

Vicki is joint Series Editor of the Cambridge School Shakespeare Series published by Cambridge University Press. She has taught English in the UK and abroad and is now a freelance writer. Before joining the SSF board in 2018, she was a trustee of two charities seeking to improve the mental health of young people.

Since 2001, Colin has been the Head of Holland Park School – an Ofsted outstanding and Department for Education recognised teaching school featured in The Good School Guide. He is a fellow of the RSA and his school works with The Prince’s Teaching Institute.

Alison Peacock DBE, DLitt MEd BA, is Executive Headteacher of The Wroxham School, a primary school in Hertfordshire. Alison was previously a member of the Royal Society Vision committee, CBI Education Reference Group, Cambridge Primary Review Trust, NAHT Commission for Assessment, member of the Prince’s Trust Commission for the proposed Royal College of Teaching and was previously a national representative of the Teaching Schools Council.