IOC 2011 is brought to you by:
- Championships Coordinator: Denis Reidy, Ajax
- Middle Distance Planner: Paul Smyth, Ajax
- Middle Distance Organiser: Donal Wickham, Ajax
- Middle Distance Controller: Padraig Higgins, MNAV
- Classic Distance Planner: Aonghus O’Cleirigh, Ajax
- Classic Distance Organiser: Mike Long, Ajax
- Classic Distance Controller: Stuart Scott, UCDO
- Relay Planner: Marcus Geoghegan, Ajax
- Relay Organiser: Brendan O’Connor, Ajax
- Relay Controller: Brendan O’Brien, KerryO
- Maps: Aonghus O’Clerigh, Ajax
& Pat Healy, Map Masters - Chief Technical Officer: Martin Flynn, Ajax
- Quartermaster: John de Lacy, Ajax
- Financial Controller: Donal Wickham, Ajax
- Webmaster: Marcus Geoghegan, Ajax
- Entries Secretary: Phil de Lacy, Ajax
- Online Entries: Marcus Geoghegan, Ajax
- Control Collection: Defence Forces Orienteers
- Event Centre: Tara Horan, Catherine Lyons, Aine Rice, Ajax
- Prizes: Mike Long, Ajax
- Mini-O: Colm Hill, CNOC & the Irish Junior Squad
- Model Event: Ruth Lynam, CNOC