The people listed below are the core of the osu! team and are chiefly responsible for helping make the game awesome for everyone.
| Name | Role |
|---|---|
| peppy | Project lead |
| -Mo- | Modding and mapping scene advisor |
| Azer | World Cup organiser and administrator |
| ChillierPear | World Cup organiser and administrator |
| Death | Moderator, technical support |
| Dntm8kmeeatu | Moderator, technical support |
| Domco | osu! developer |
| Ephemeral | Project and community maintainer, Featured Artist outreach |
| flyte | Design lead, resident Creative Cloud watcher |
| frenzibyte | osu! developer |
| Hivie | General housekeeper, NAT leader, Project Loved manager |
| LeoFLT | World Cup organiser and administrator |
| mangomizer | Featured Artist outreach, World Cup secretary |
| MillhioreF | osu! developer, technical support |
| nanaya | osu!web developer |
| Nathanael | General housekeeper, moderation advisor |
| Naxess | Modding and mapping scene advisor |
| nekodex | osu!web developer, Featured Artist |
| notbakaneko | osu!web developer |
| Okoayu | Moderator, modding and mapping scene advisor |
| pishifat | osu! YouTube channel host, Mappers' Guild organiser, Featured Artist outreach |
| radar | Modding and mapping scene advisor |
| Repflez | Moderator, wiki maintainer |
| Sakura006 | World Cup design coordinator |
| Shiro | General housekeeper |
| smoogipoo | osu! developer, osu!mania lover, bug buster |
| spaceman_atlas | osu! developer |
| Tanza | Designer |
| ThePooN | osu! infrastructure developer |
| Trosk- | General housekeeper, tournament support |
| tybug | General housekeeper, broom sweeper |
| Venix | GMT leader, Beatmap Spotlights manager |
| Walavouchey | Wiki maintainer, news editor |
| Zallius | Endangered species |
The account support team is also there to help with what is beyond reach.
In addition to the core osu! team, there are many other volunteer teams which keep the game running.
| Name | Role |
|---|---|
| awp | General housekeeper and helper, chibi artist |
| Chaos | Moderator, community advisor |
| cYsmix | Audio designer, Featured Artist |
| Daru | osu!painter |
| deadbeat | World Cup organiser and administrator |
| Derekku | General housekeeper, community manager |
| Damnae | Storyboard developer |
| Echo | osu! developer, provider of IRC integration for in-game chat, site maintainer |
| HappyStick | osu! Coffee Hour host, World Cup streamer, tournament organiser |
| Intermezzo | osu! developer, provider of osz2 and p2p backend |
| JBHyperion | Former QAT leader |
| Datawalke | Original site designer, hosting provider in the early days |
| juankristal | World Cup organiser and administrator |
| Loctav | World Cup organiser and administrator, former QAT leader, community manager |
| LuigiHann | Epic skin designer, contributor to the default skin and icon set |
| Mao | Former NAT leader |
| mm201 | osu! developer, creator of mm sliders |
| Noffy | Modding and mapping scene advisor |
| nuudles | osu! iPhone developer |
| Nyquill | osu! developer, Mappers' Guild organiser |
| p3n | Moderation advisor |
| phill | Forum designer |
| RBRat3 | osu!painter, cool stuff maker-guy extraordinaire |
| Sarumaru | Original pippi concept and artwork designer |
| Sinistro | Early community manager and leader, meeting minutes and FAQ contributor |
| -Tim- | FlappyDon developer |
| Tom94 | osu! and performance points developer |
| Toy | Project Loved manager, community advisor, Featured Artist outreach |
| VINXIS | Featured Artist, modding and mapping scene advisor |
| WalterToro | General housekeeper, World Cup organiser and administrator, wiki maintainer |
| woc2006 | osu! developer, creator of osu!mania |
| yelle | osu!store manager |
| ztrot | osu!academy professor, media and character designer |