PORTLAND — Bank of America has named Bill Williamson as Maine state president.

Williamson, a Maine native, has been with the company since joining a predecessor institution in 1981.

As state president, Williamson will help integrate Bank of America’s business lines throughout Maine in a move to reach new customers and deepen relationships with existing customers, the company said. He also will oversee corporate social responsibility activities.

He replaces Betsey Timm, who served as Bank of America state president since 2004, and state president for a predecessor institution beginning in 1998. Timm will retire in June.

Williamson, a Colby College alumnus, lives in Falmouth. He has served on the boards of the Greater Portland Chamber of Commerce and the Susan Curtis Foundation. He currently serves on the board of the Maine State Chamber of Commerce.