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 |
| Ephemeral | Project and community maintainer, Featured Artist outreach |
| flyte | Design lead, resident Creative Cloud watcher |
| Hivie | Modding and mapping scene advisor |
| LeoFLT | World Cup organiser and administrator |
| mangomizer | Tournament support, Featured Artist outreach |
| nanaya | osu!web developer |
| Nathanael | General housekeeper, moderation advisor |
| Naxess | Modding and mapping scene advisor |
| nekodex | osu!web developer, official osu! Featured Artist |
| notbakaneko | osu!web developer |
| pishifat | Modding and mapping scene advisor, Mappers' Guild organiser, Featured Artist outreach |
| radar | Modding and mapping scene advisor |
| Repflez | General housekeeper, wiki maintainer |
| Shiro | General housekeeper |
| smoogipoo | osu! developer, osu!mania lover, bug buster |
| Trosk- | General housekeeper, tournament assistant |
| Venix | Moderation and community advisor |
| Zallius | Endangered species |
In addition to the above, the account support team is there to help with what is beyond the reach.
| Name | Role |
|---|---|
| awp | General housekeeper and helper, chibi artist. Barrel Roll Weekly |
| Chaos | Moderation and community advisor |
| cYsmix | Audio designer, official osu! Featured Artist |
| deadbeat | World Cup organiser and administrator |
| Derekku | General housekeeper, community manager |
| Echo | osu! developer, provider of IRC integration for in-game chat, site maintainer. Blog |
| HappyStick | osu! Coffee Hour host, World Cup streamer, tournament organizer |
| Intermezzo | osu! developer, provider of osz2 and p2p backend |
| JBHyperion | Modding and mapping scene advisor |
| Datawalke | Original site designer, hosting provider in the early days. Brave New Games |
| juankristal | World Cup organiser and administrator |
| Loctav | World Cup organiser and administrator, QAT leader, community manager |
| LuigiHann | Epic skin designer, contributor to default skin and iconset. DeviantArt |
| Mao | Modding and mapping scene advisor |
| mm201 | osu! developer, creator of mm sliders |
| Noffy | Modding and mapping scene advisor |
| nuudles | osu! iPhone developer |
| Nyquill | osu! developer, Mappers' Guild organiser |
| Okoratu | Modding and mapping scene advisor |
| phill | Forum designer |
| RBRat3 | osu!painter, cool stuff maker-guy extraordinaire |
| Sarumaru | Original pippi concept and artwork designer. DeviantArt |
| Sinistro | Early community manager and leader, meeting minutes and FAQ contributor |
| Tom94 | osu! and pp developer |
| Toy | Project Loved manager, community advisor, Featured Artist outreach |
| VINXIS | Modding and mapping scene advisor |
| WalterToro | General housekeeper, World Cup organiser and administrator, wiki maintainer |
| woc2006 | osu! developer, osu!mania mode developer |
| yelle | osu!store manager |
| ztrot | osu!academy professor, media and character designer |