The Triangle Garden is managed by a team of dedicated volunteers and paid staff.
Staff (paid and volunteer roles)
| Hayley Lanfear | Project Manager |
| Steve Granger | Site & Horticulture Manager |
| Steve Granger, Liz Millbank, Dulcie Buckenham, Joel Daramola and Zoe Betts Vacancy | Horticulture Therapy Staff Content Coordinator |
| Yolanda Warrell, Sarah Barrett, Julie Mackley, Carole Knight, Sue Parkinson, Freya Gibbons-Cook, Jo King and Gill Martin John Wyer, Elaine Petch, Mike Blackman and Kendall Zaluski | Horticulture Therapy volunteers Man Made Meals volunteer tutors |
Trustees (voluntary roles)
| Vicky Wyer | Chair of Trustees |
| Kate Hughes | Vice Chair |
| Isabelle Robinson | Treasurer |
| Hilary Oughton | Trustee |
| Caz Borensztajn | Trustee |
| John Wyer | Trustee |
| Steph White | Trustee |
| Holly Butcher | Trustee |
Non-trustee committee members (voluntary roles)
| Funmi Daramola | Accounts Assistant |
| Mel Coath | Events Committee |
| Isabelle Robinson | Events Committee |
| Steph White | Events Committee |
| Fiona Dolman | Garden Committee co-chair |
| Kavita Krishna | Garden Committee co-chair |
| Sean Blackmore | Garden Committee |
| Gill Martin | Garden Committee |
| Mariana Mercado | Garden Committee |
| John Wyer | Garden Committee |
| Steve Granger | Garden Committee |