Arlington residents will have until Friday at noon to RSVP to a retirement party for outgoing Town Manager Brian Sullivan, who is set to retire later this month.

The celebration is scheduled for Thursday, Feb. 16, 5:30-8 p.m., at Town Hal auditorium. Tickets are $40 each. Please RSVP to Mary Ann Sullivan at msullivan@town.arlington.ma.us or call 781-316-3024.

On Monday, the Board of Selectmen chose Deputy Town Manager Adam Chapdelaine to replace Sullivan as Arlington’s top administrator. Chapdelaine will begin on Feb. 24.

Brian Sullivan has worked as Arlington’s top administrator for eight years and announced last year he would retire.

Board of Selectmen Chair Clarissa Rowe has called Sullivan’s work “exemplary.” She said it would be a challenge to replace the town manager.

Checks for the event can be made out to TM Retirement Committee and sent to the Board of Selectmen, 730 Massachusetts Ave., Arlington, MA 02476.

During his interview, Chapdelaine spoke about his expertise handling municipal budgets and explained his leadership style is highly participative. He said he is committed to supporting Arlington’s public libraries through funding and appropriate staffing levels.

The incoming town manager added he would promote economic growth by working to develop updated zoning and permitting processes that match up to the expectations of the business community.

The  Chapdelaine the job after a final round of interviews on Monday. Ashland Town Manager John Petrin was the runner-up.