Spirit Lake, Iowa-based Bank Midwest promoted Luke Donnenwerth to president and chief banking officer..Donnenwerth joined Bank Midwest in 2010 as a commercial loan officer and most recently served as CBO, a role he assumed in 2024. In his new position, he will oversee the bank’s overall operations and continue to lead its growth across Iowa, Minnesota, and South Dakota.“Luke brings a strategic mindset complemented by sound wisdom and practical common sense,” said Mary Kay Bates, CEO of Bank Midwest. “His leadership style — defined by humility, intelligence, and unwavering integrity — inspires confidence among colleagues and customers.”Donnenwerth said he "looks forward to working closely with our exceptional team to drive continued growth and success.”A graduate of the University of Northern Iowa, Donnenwerth began his banking career in 2005. He was recognized by BankBeat magazine as a “Rising Star in Banking” in 2023 and has been active in the Iowa Bankers Association Leaders in Advocacy Program. Bank Midwest, an employee-owned financial institution with assets exceeding $1 billion, operates nearly a dozen branches across Iowa, Minnesota and South Dakota.