Town Moderator is an elected position with a three-year term.  There is no limit to how many terms can be served.

Massachusetts General Law Chapter 39, Sections 14 & 15, provides the charge for the position.  In Shutesbury, duties of the Town Moderator are:

Our Town's government is in the form of an open town meeting, a direct democracy, in which registered voters come together in person to be heard, to debate, and to vote on policy decisions affecting the Town.  An information sheet on voting with clickers can be found here.