The Steamship Authority has named Gerard J. Murphy, former comptroller for the state of New Hampshire, as treasurer/comptroller for the boat line.

Mr. Murphy replaces Bob Davis, who will become SSA general manager when Wayne Lamson retires at the end of June. Mr. Murphy will start work on May 31 as treasurer-elect before becoming the official treasurer/comptroller on July 1, a press release said.

A certified public accountant, he holds a master’s degree in accountancy from Baruch College in New York city and a bachelor’s degree in economics from Bates College in Lewiston, Me.