LEOMINSTER — Leominster Credit Union President and CEO John O’Brien will be retiring next month and Chief Operating Officer Barbara Mahoney has been appointed the next president and CEO.Mahoney, who has been with the bank for 17 years, will be the bank’s first female CEO.”I feel great about it. I’m honored and humbled that the board felt comfortable with me in that role,” Mahoney said Thursday. “I think we are positioned for future success and I feel really good […]