organizer
n. countable B1 Intermediate Oxford US //ˈɔɹɡəˌnaɪzɝ// or·ga·niz·er
n. a person who plans an event or a group. It can also be a tool, like a book or an app, that helps you keep your schedule and tasks in order.
n. a person who coordinates the details of an event or manages the activities of a group. Also refers to a physical or digital tool designed to facilitate time management and task scheduling.
The event organizer sent us the final schedule.
She uses a digital organizer to keep track of her medical appointments and daily medication times.
While the lead organizer handled the logistics of the conference, the rest of the committee focused on securing high-profile speakers and managing the budget.
From organize + -er.
Usage
Often used in professional contexts to describe job roles or specific software applications.