United Bancorp in Martins Ferry, Ohio, will combine the roles of chairman and CEO.
The $814 million-company disclosed in a regulatory filing that Scott Everson, its president and CEO, will succeed Richard Riesbeck as chairman when Riesbeck retires next October.
Riesbeck has been chairman since 2014.
The company also said it has added two new directors, boosting the six of its board to six members.