LEWISTON — The Androscoggin County Chamber of Commerce announces three promotions.

Maureen Aube has been promoted to vice president of operations, Deborah Carroll to director of events and member services, and Jennifer Ziebart to director of marketing and communications.

Aube has been with the chamber for 15 years and in her new role will manage daily operations of administration, finances, personnel and purchasing.

Carroll has been with the chamber for four years and will manage and plan all events and chamber services.

Ziebart has been with the chamber for 12 years and will manage the chamber’s new marketing plan and day-to-day communications.