Andrew Marsters started his newspaper career in 1975 at the weekly York County Coast Star in Kennebunk, Maine, covering everything from football to planning boards. Later, Marsters worked as a reporter and editor at various Maine daily and weekly newspapers. The bulk of his career was spent as managing editor of the Journal Tribune in Biddeford, Maine. Marsters began teaching journalism at UNH in 1995, and has been there off and on ever since.
He was briefly part of an ownership team of the now-defunct Maine Times, a statewide weekly newspaper. In 1998, with a friend and fellow journalist, Marsters founding Points East, a boating magazine in Portland, Maine. He edited and co-published the magazine for 10 years before selling it. Marsters also worked as the resident advisor to the Free Press, the student newspaper of the University of Southern Maine. His home is Portland, Maine.