UMB Leadership

Mariner Kemper, CEO, Board

Mariner Kemper

Chairman and Chief Executive Officer of UMB Financial Corporation

About Mariner

Mariner Kemper is chairman and chief executive officer for UMB Financial Corporation. He has been with the company for nearly 30 years and has served many roles including president of UMB Bank Colorado, n.a. and executive vice president of UMB Financial Corporation.

Born and raised in Kansas City, Missouri, Mariner attended the University of Puget Sound in Tacoma, Washington where he earned a Bachelor of Science degree in political science. 

Mariner succeeded his father, R. Crosby Kemper, as president, chairman and CEO at age 31, making him a fifth-generation banker and the sixth Kemper leader at UMB Financial Corporation, which was founded by his great-grandfather in 1913. Since taking the helm, Mariner has kept a tight rein on risk and built a large asset management and fee-based services business, and has positioned UMB as a top-performing regional bank.

Mariner regularly appears on national media programs, including CNN This Morning in 2023, and in national and regional publications such as the Kansas City Business Journal and MarketWatch. 

Personal interests and family
Mariner has a passion for art and stays active with his wife, Megan, and his two children, Emma and Brady, through running and cross-country skiing. He enjoys spending time riding horses and upland hunting. Mariner is also a voracious reader and is currently working on a personal goal of reading every presidential biography. He enjoys sailing and competes in a regatta every year in his catboat, the Second Wind.

Community Involvement

  • Agriculture Future of America – lifetime director
  • Denver Art Museum - trustee and executive committee member
  • Kansas City American Royal - lifetime director
  • VOlunteers ESG report

    Our strength endures: Read our 2023 Corporate Citizenship and ESG Report

    We invite you to download our 2023 Corporate Citizenship and ESG Report . This report includes details on our approach to environmental, social and governance (ESG) programs and metrics in our employer standards, community connections, environmental policies and risk management...

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    A historic milestone: UMB announces agreement to acquire Heartland Financial

    Alongside first quarter 2024 earnings, Mariner Kemper, chairman and chief executive officer of UMB Financial Corporation, shared historic company news. I am extremely pleased to share that, in addition to another strong quarter at UMB, we are also announcing the...

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    Beyond the headlines: A factual perspective on regional banking

    One bank’s performance doesn’t define an industry We are two months into 2024, and instead of looking ahead and maintaining positive momentum from a strong Q4 2023 performance, I find myself experiencing an unwelcome sense of déjà vu. Regional banks...

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  • Veterans day

    The spirit of service: Taking leadership notes from our vets

    Mariner Kemper, chairman, president and CEO of UMB Financial Corporation, shares his thoughts on how our nation’s heroes inspire a spirit of service and influence other leaders. Some of you may know how much I love the show Band of...

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    BAU at UMB: Response to recent ratings

    In early March, following the failure of Silicon Valley Bank and Signature Bank, Moody’s Investors Service announced their plans to review UMB’s rating, along with several other banks. Today Moody’s announced that UMB Financial Corporation’s credit rating changed to Baa1...

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