Lit., a dean; the senior member of a body or group; as, the doyen of French physicians.

a man who is the senior member of a group; "he is the dean of foreign correspondents"

Doyen is a personal workflow management program. It can be used as a scheduler/todo list, but offers "flexible scheduling" features unavailable in most comparable programs, allowing you to specify that you want to work on a task, and then scheduling i