When people hear ‘co-design,’ they sometimes picture a friendly workshop and a wall of sticky notes. That can be part of it, but co-design is more specific, it’s a structured way of making decisions about services with the people who use and run them. The promise is better ideas grounded in real experience. The challenge is that group dynamics can quietly distort what the group ‘decides,’ which is why how we facilitate co-design matters as much as who is in the room.