organizer
noun [ C ]
( UK also organiser) uk/ˈɔːɡənaɪzər/ usthe person or group that plans and arranges an event or activity:
The organizers are forging ahead with a programme of public events.
a person who plans things:
This is a complicated job that requires someone who is a good organizer .
HR, WORKPLACE
a person who helps people form or join a trade union:
He is an organizer with the Service Employees International Union.
a book or small computer in which you keep a record of what you have to do, your meetings, etc.:
This is a two-way pager, wireless phone, wireless Web browser, and hand-held organizer all in one device.
See also
personal organizer