This page for attending memberships and those who will be coming to Reunicon 2020 will be updated regularly.
| Name | Country | Type of Membership |
| Joe Haldeman | USA | Attending |
| Gay Haldeman | USA | Attending |
| Angelique van Toorn | NL | Attending |
| C F Stiemer | NL | Supporting |
| Dermot Dobson | GB | Attending |
| Emilio Desalvo | I | Attending |
| Frank Beckers | B | Attending |
| Frank Roger | B | Attending |
| Jaap Boekestein | NL | Attending |
| Jan van ‘t Ent | NL | Attending |
| Jannelies Smit | NL | Attending |
| Johan Martijn Flaton | NL | Attending |
| John van Duin | NL | Attending |
| Kees van Toorn | NL | Attending |
| Kim Whysall | GB | Attending |
| Klara Lammers | D | Attending |
| Koen Olie | TH | Attending |
| Larry van der Putte | NL | Attending |
| Marc vanoppen | B | Attending |
| Marjorie Sachs | GB | Attending |
| Martijn Haalman | NL | Attending |
| Patrick van de Wiele | B | Attending |
| Perdy Dobson | GB | Attending |
| Peter de Weerdt | B | Attending |
| Peter Kraaijestein | NL | Attending |
| René van Rossenberg | NL | Attending |
| Rias Nuninga | NL | Attending |
| Tony Hammond | GB | Attending |
| Udo Emmerich | D | Attending |
| Vincent Docherty | NL | Attending |
| Willem Hettinga | NL | Attending |
| Wim van de Bospoort | NL | Attending |
| Eya Kuismanen | NL | Attending |
| Erwin van Ballegoij | NL | Attending |
| Heidi van der Vloet | NL | Attending |
| Graham Andrews | UK | Attending |
| Agnes Andrews | UK | Attending |
| Martin Lodewijk | NL | Attending |
| Ted Lodewijk | NL | Attending |
| Keith Oborn | UK | Attending |
