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Established in 1935, Summit Credit Union is a member-owned financial cooperative. Summit holds $8.6 billion in assets and has more than 280,440 members and 983 employees across 58 locations throughout Wisconsin. Since 2002, has been CEO & President of Summit Credit Union, formerly known as CUNA Credit Union/Great Wisconsin Credit Union.      

In 2025, Summit was named “Large Business of the Year” by In Business magazine for Wisconsin’s capital region. The credit union was also recognized for continued excellence in employee engagement as a Top Workplace USA by USA Today for the fifth consecutive year and a Top Workplace in the Madison area by the Wisconsin State Journal six years in a row. This marks the third straight year The Milwaukee Journal Sentinel has named Summit a Top Workplace in Milwaukee. Summit was also named to Forbes list of America’s Best-In-State Credit Unions 2025, as well as one of America’s Best Credit Unions by Newsweek. Additionally, and representative of its focus on financial education, Summit received the Governor’s Financial Literacy Award in 2010, 2014 and 2016 and the Governor’s Financial Literacy Award – Legacy in 2019. 

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Summit Credit Union helps Wisconsin families achieve homeownership with up to $10K in down payment assistance... Summit Credit Union’s President and CEO Kim Sponem was recently featured on the Women of Community Banking podcast... Summit welcomed thousands of members and their families to Warner Park for its annual Summit Fest, blending its official Annual Meeting of the Membership... Summit Credit Union names Mike McCoy Chief Commercial Officer to advance commercial banking and support Wisconsin businesses... With $87 million in member benefits, Summit Credit Union remains the nation’s #1 credit union for Return of the Member... Summit Credit Union partners with LOVB Madison Volleyball to empower women athletes and advance equity in sports and finance... Kim Sponem calls for equitable pay practices, warning that lifetime pay gaps leave women at greater risk of retirement insecurity... Summit Credit Union earns the #1 national Return of the Member ranking again, highlighting its strong member value and financial impact... Family boosts savings by $7.3K and cuts $36.5K debt to win Summit Credit Union’s Project Money Season 17 and its $10K prize...