| Name | Role |
| Kathy Flanagan | Chair, Membership Secretary and Seed Distributor society@mammillaria.net |
| Al Laius | Treasurer, and Journal Editor treasurer@mammillaria.net or avsc@ymail.com for editorial enquiries |
| Robin Caddy | Secretary and Society Photographer |
| Ian Woolnough | Seed buyer |
| Keith Flanagan | (Seed Distributor) |
| Lee Hunt | Website manager mammillaria@mammillaria.net |
| Zlatko Janeba | Zoom Coordinator |