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Established in 1935, Summit Credit Union is a member-owned financial cooperative. Summit holds $8.8 billion in assets and has more than 286,020 members and 965 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 sixth consecutive year and a Top Workplace in the Madison area by the Wisconsin State Journal seven years in a row. This marks the fourth 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 shares simple ways to spot imposter scams, recognize warning signs and protect your money and personal information... Summit Credit Union earns a 2026 Woman-Led Top Workplace award for its strong leadership, employee experience and workplace culture... Summit Credit Union invests $1 million in the Live Local Development Fund to expand attainable housing in Jefferson County... Summit Credit Union retains its ranking as Wisconsin's #1 mortgage lender, helping more members achieve homeownership... Summit and TriUnity Foundation offer grants up to $10,000 for members facing terminal or life-threatening illness... Forbes named Summit Credit Union Wisconsin’s #1 credit union and one of America’s Best-In-State Credit Unions for 2026... Summit Credit Union named Top Workplace in Madison, Milwaukee, and U.S., recognized for strong culture, engagement, and employee benefits... 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...