Dominic Seivert Named Branch Manager and Community Banking Officer at Security National Bank's Sheldon Branch

June 16, 2025

SHELDON, Iowa — John Heller, Senior Vice President of Community Banking at Security National Bank, is pleased to announce the following promotion:

Security National Bank is pleased to announce Dominic Seivert as the new Branch Manager and Community Banking Officer for its Sheldon office. Seivert, who joined SNB in 2022 as an Ag Services Representative, brings a wealth of experience in agricultural and commercial services. In his new role, he will oversee day-to-day operations and staffing, ensuring exceptional service delivery to customers.

Seivert will succeed Dan VanGorp, who will retire on July 7, 2025, after 10 years of dedicated service at SNB.

"Dominic is a dedicated professional with a proven track record of building strong relationships and delivering tailored solutions to our customers," said John Heller, SVP of Community Banking. "We look forward to Dominic's continued growth and leadership in his expanded role."

Seivert holds a bachelor’s degree in finance and business management from Northwestern College and a Master of Business Administration (MBA) from Drake University. Beyond his professional achievements, he is actively involved in the community, serving as Vice President of the Sheldon United Fund and as a board member of the Sheldon Golf and Country Club.

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ABOUT SECURITY NATIONAL BANK

Security National Bank is a full-service financial institution with branch offices serving customers in Sioux City, Dakota Dunes, Akron, Mapleton, Moville, Lawton, Orange City and Sheldon. Since its founding in 1884, Security National Bank has set the standard for integrity, honor, open-mindedness, excellent service, efficiency, good humor, respect, duty and human connection in the banking industry. Today, SNB is the largest locally owned bank in Sioux City. Security National Bank is Member FDIC and Equal Housing Lender. For more information, visit SNBonline.com.