The following table lists the full* active members of the XMM Cluster Survey collaboration:
- we also have several active associate members, typically students or postdocs of full members, and several full members that are not currently active.
| Name | Institution | Country |
| Chris Collins | Liverpool John Moores University | UK |
| Matt Hilton | University of KwaZulu-Natal | SA |
| Ben Hoyle | Excellence Cluster/LMU Munich | DE |
| Julian Mayers | University of Sussex | UK |
| Robert Mann | Royal Observatory Edinburgh | UK |
| Chris Miller | University of Michigan | USA |
| Robert Nichol | University of Portsmouth | UK |
| Kathy Romer (PI) | University of Sussex | UK |
| Philip Rooney | University of Sussex | UK |
| Martin Sahlén | University of Oxford | UK |
| John Stott | University of Lancaster | UK |
| Pedro Viana | Universidade do Porto | Portugal |
| Alberto Bermeo | University of Sussex | UK |
| David Bacon | University of Portsmouth | UK |
| Sunayana Bhargava | University of Sussex | UK |
| Carlos Vergara | University of Sussex | UK |
| Maria Manolopoulou | Royal Observatory Edinburgh | UK |
| Diego Capozzi | University of Portsmouth | UK |
| Rutu Das | University of Michigan | USA |
| Leyla Seyed Ebrahimpour | Instituto de Astrofísica e Ciências do Espaço | Portugal |
| Devon Hollowood | University of California, Santa Cruz | USA |
| Tesla Jeltema | University of California, Santa Cruz | USA |
| Yuanyuan Zhang | Fermilab | USA |
| Kate Furnell | Liverpool John Moores University | UK |