Sarah R. Opperman has been a director of Isabella Bank Corporation and of the Bank since 2012 and has served as chair of both boards since May 2021. Ms. Opperman previously was employed for 28 years by The Dow Chemical Company, where she held leadership roles in public and government affairs. She served as interim President and Chief Executive Officer of the Midland Business Alliance from March 1 to December 2018. Ms. Opperman is a member of the Central Michigan University Advancement Board, the MyMichigan Health Foundation Board, and the Michigan Baseball Foundation Board. Ms. Opperman's business and leadership expertise, as well as her depth of community relationships, benefit Board discussions and decisions.