Tisbury officials are beginning to discuss a potential change in the structure of its municipal government that would replace the town administrator’s job with the more independent position of town manager.

Edgartown town administrator James Hagerty traded his business suit for military fatigues Saturday to commemorate his promotion from major to lieutenant colonel in the U.S. Marine Corps Reserves.

Oak Bluffs police officer James Hagerty has been named the new Edgartown town administrator after selectmen interviewed four candidates Tuesday afternoon.

Edgartown town administrator Pamela Dolby has announced her retirement after more than 40 years working for the town, including 12 years as town administrator. She will stay on until July.