| Board Member | Designation | School / LA |
| Ros Hyde (Chair) |
Principal Teaching Fellow in Mathematics Education |
University of Southampton |
| David Higginbottom | Head of Teaching School Hub and Trust School Improvement Lead | HISP MAT |
| Hayley Clark | Principal | Hightown Primary School, Southampton (Inspire Learning Partnership) |
| Ian Hudson | Headteacher |
Cams Hill School, Fareham |
| Jemma Warren | KS2 Leader | Riverside Community Special School, Havant |
| Karen Begley | Head of School | Carisbrooke College, Isle of Wight |
| Kate Couldwell | Headteacher | Front Lawn Primary Academy, Havant |
| Kate Reynolds | Interim Deputy Director for Education | Portsmouth City Council |
| Kate Spencer | Lead Primary Maths Inspector/Adviser for HIAS | Hampshire County Council |
| Laura Clarke | Director of the Institute of Education | University of Winchester |
| Paul Glaister | Professor of Maths and Maths Education | University of Reading |
| Ryan Brent | Maths Curriculum Manager | City of Portsmouth College |
| Sara Paine | Executive Headteacher | Meonway Federation and Meon Junior School, Portsmouth |
| Steph Bryant | Executive Headteacher | St Mark's CE School, Southampton |
| Wendy Fowler | Headteacher | Milton Park Primary School, Portsmouth |
| Feona Copley | Assistant Director for Targeted Support in Maths | NCETM |
| Jess Paul | Senior Leadership Link | Solent Maths Hub |
| Sarah Anderson | Maths Hub Lead | Solent Maths Hub |