Shaniah Geels and Nolan Clarke

SNB of South Dakota Announces Two Promotions

February 8, 2021

SIOUX FALLS, S.D. — Security National Bank of South Dakota is pleased to announce the following promotions:

Shaniah Ellis has been named Branch Manager of the SNB office located on West 26th Street by Lake Lorraine, where she will supervise retail staff and assist new and existing customers with their financial needs. Ellis has worked at Security National Bank for five years, starting out as a Personal Banker before being promoted to Assistant Branch Manager at the 74th and Louise Avenue office.

Ellis holds an associate’s degree in business administration, insurance and financial services from Southeast Technical Institute in Sioux Falls. She is also the Growth Coordinator for the local chapter of Business Network International (BNI®), serving professionals in Sioux Falls.

Nolan Clarke will replace Ellis as Assistant Branch Manager at the SNB office located on 74th Street and Louise Avenue. Clarke has been a Personal Banker at SNB for nearly three years, and prior to that he served as a property manager with Goldmark.

A native of Estelline, S.D., Clarke holds a bachelor’s degree in business economics, along with a minor in accounting from South Dakota State University.


Security National Bank of South Dakota is a full-service, locally owned financial institution with branch offices serving customers in Sioux Falls and Dakota Dunes. SNB of South Dakota is a subsidiary of Security National Corporation, which since its founding in 1884, has set the standard for integrity, reliability, innovation and continued commitment to providing customers with superior service. Security National Bank of South Dakota is Member FDIC and an Equal Housing Lender. 

For more information on ways to advance your career with Security National Bank, see our Employment Opportunities Page.