Sarah Hamann

Security National Bank Announces New Commercial Services Officer

January 27, 2023

Sarah Hamann has been named Commercial Services Officer at Security National Bank. In her role, she will be responsible for developing close relationships with business owners and executives, serving as a knowledgeable banking partner to commercial clients and providing tailored banking solutions to help them achieve what matters most.

Hamann comes to SNB with 15 years of banking experience, 13 of those developing relationships with and serving commercial banking clients in the Siouxland area. She holds a Bachelor of Business Administration in accounting from the University of South Dakota and is a graduate of the Wells Fargo College of Commercial Credit.

In the community, Hamann serves on the Executive Board for the Siouxland Economic Development Corporation (SEDC) and as Chair of its Servicing Committee, promoting economic development and small business growth in Siouxland. She is a member of the Perry Creek PTA, having previously served four years on its executive committee. She is also involved in youth sports, coaching All-Star cheerleading at V.I.P. Gymnastics, Ninja, and Cheer.

Hamann resides in Sioux City with her husband Kiel, a Master Sgt at the 185th Air Refueling Wing, and their two children.



Security National Bank is a full-service, community owned financial institution with branch offices serving customers in Sioux City, Dakota Dunes, Akron, Mapleton, Moville and Lawton. 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 financial industry. Today, SNB is the largest locally owned bank in Sioux City. Security National Bank is a Member FDIC institution and an Equal Housing Lender. For more information, visit