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Meet Our Business Bankers

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  • Adam Kuiken
    Ag/Commercial Banker, AVP
    5801 Sunnybrook Drive, Sioux City, IA 51106
    Direct: 712.224.4000
    Cell: 712.560.2853
    Email Me
    Adam Kuiken

    Adam joined the Northwest Bank team in 2019 and is responsible for developing and servicing the banking needs of commercial businesses. He works with businesses of all sizes and has a passion for helping businesses meet their growth and development goals. Adam has volunteered with the United Way of Siouxland for many years and has been an Ambassador for the Siouxland Chamber of Commerce since 2014. He and his wife are small business owners themselves and he is passionate about seeing Siouxland grow.

  • Brent Plantage
    Commercial Banker, VP
    5801 Sunnybrook Drive, Sioux City, IA 51106
    Direct: 712.224.1215
    Cell: 712.898.8481
    Email Me
    Brent Plantage
    Brent Plantage, Vice President, Commercial Banker, manages a loan portfolio consisting of commercial real estate and operating loans. Brent is also responsible for marketing bank services to existing and potential commercial clients. He earned his Bachelor of Arts degree in Business and History from Morningside. Brent also graduated from the Graduate School of Banking in Boulder, CO, completed the Iowa Bankers Association Commercial Lending School and has completed a number of other banking seminars. Plantage is a volunteer with United Way and has served in various capacities with the organization the past ten years.
  • Dan DeBoest
    Regional Bank President
    5801 Sunnybrook Drive, Sioux City, IA 51106
    Direct: 712.224.1220
    Cell: 712.541.1944
    Email Me
    Image of Dan Deboest, President
    Dan DeBoest, Regional President, is responsible for the management and overall performance in the Sioux City market. With exceptional experience in commercial lending, DeBoest also specializes in customer initiatives and team coaching. As a graduate of Iowa State University, he holds a bachelor’s degree in Finance. DeBoest also enjoys participating in civic organizations and networking activities and has been involved with the United Way, Chamber of Commerce and development corporations.
  • DJ Wingert
    Commercial Banker, AVP
    5801 Sunnybrook Drive, Sioux City, IA 51106
    Direct: 712.224.1225
    Cell: 712.301.5717
    Email Me
    DJ Wingert

    DJ Wingert joined the Northwest Bank team in 2021, bringing a strong background in retail management and sales, along with a bachelor’s degree from Morningside University. She is passionate about building relationships and providing personalized financial solutions to help individuals and businesses reach their goals. DJ specializes in business development and enjoys promoting Northwest Bank’s diverse products and services. She is a graduate of the Iowa Bankers Association’s Leadership Institute and Leadership Siouxland, an active member of the IBA Emerging Leaders group, and proudly serves on the board of Center for Siouxland. Outside the office, DJ loves supporting local businesses, attending high school sporting events—especially Friday night football—and spending time with friends, family, and her energetic dog.

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