jointorganizer

noun
UK /dʒɔɪnt ˈɔːɡənaɪzə/
US /dʒɔɪnt ˈɔːrɡənaɪzər/

A person who plans and arranges things together with someone else.

The jointorganizer of the school fair made sure everyone knew what to do.


OTHER MEANINGS

2. A tool or app that helps two or more people arrange something together.

We used a jointorganizer app to plan the trip with our friends.

3. A company that arranges an event together with another company.

The jointorganizer of the concert handled the tickets and the stage.

4. A person who helps two groups work together on a plan.

She acted as the jointorganizer between the two clubs for the charity run.