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Find Your Local Wealth Management Team Members

Few corners of banking involve such immense potential as wealth management. And few require such excellence in stewardship of your assets. We’re proud to have some of the most disciplined, imaginative experts in our region on our team helping to manage all your achievements — and all your potential.


Mark Sivertson

Mark Sivertson

SVP, Wealth Services
6810 S. Minnesota Ave. | Sioux Falls SD
(605) 961-3911

Mark started his career in the early 1980’s at a law firm in Bowman, North Dakota. He practiced law in the areas of guardianships, probate and corporations. From there, he moved onto working for financial institutions in North Dakota and South Dakota in roles such as Trust Officer, Trust Manager and Senior Vice President of Trust and Wealth Management Services. Mark enjoys giving innovative insights to individuals, families, businesses and non-profits – giving them guidance and options for managing their legacy.


  • Cannon Financial Institute, School of Foundation Management
  • Advanced Trust Investment School, University of Notre Dame
  • National Graduate Trust School, High Honors Graduate, Northwestern University
  • National Trust School, Northwestern University
  • The Schools of Banking, Trust School
  • University of North Dakota School of Law
  • Bachelor’s degree from Concordia College. Majors were Business Administration, Accounting, History and Political Science. Magna Cum Laude.
  • Governor’s Task Force on Trust Administration Review and Reform
  • President, Rotary International Downtown Sioux Falls
  • Sioux Falls Firefighter’s Retirement System Board of Trustees
Sandy Bickett

Ryan Krome

VP, Trust Officer
200 E 10th Street | Sioux Falls SD
(605) 670-9022

Ryan Krome is a VP, Trust Officer with American Bank & Trust at our Sioux Falls – Grand Prairie location.

He grew up in Mitchell, SD, where he graduated from high school before continuing his education at Southwest Minnesota State University (SMSU) on a basketball scholarship. While at SMSU, Ryan obtained a Business Administration degree along with a minor in Marketing. Ryan’s wife, Jeana, also grew up in Mitchell, SD. They have been married since 2012 and have three boys – Kruz, Kash, and Knox. Outside of work, Jeana and Ryan both enjoy coaching and watching their boys play different sports throughout the year. They also enjoy spending time together, golfing, and going on vacations.

‘Dedication sees dreams come true.’ That’s Ryan’s promise to you. He is dedicated to your success. Ryan and our team of experts at American Bank & Trust will work to achieve a greater level of financial success. Your dream of true financial freedom becomes our goals for you and your family. Working together we can achieve your financial goals.

Sandy Bickett

Keith Johnson

Trust Operations Officer
6810 S. Minnesota Ave | Sioux Falls SD
(605) 670-9019

Keith has been with AB&T for 8 years. He started as a teller in our Huron location and has worked his way through the various departments. Currently, Keith is the Officer of our Trust Operations department and facilitates the processing of trades and other needs for our customers. Keith has worked in many departments; giving him a unique insight on the workings of the bank and allows him to better assist customers on a day-to-day basis.

Sandy Bickett

Thomas Benz

Trust Specialist
6810 S. Minnesota Ave | Sioux Falls SD
(605) 906-8105

Meet Thomas Benz, the Trust Specialist at American Bank & Trust’s Sioux Falls – Grand Prairie location. Proudly hailing from Sioux Falls and an O’Gorman High School alum, Thomas pursued a Business Economics degree at South Dakota State University – Go Jacks! When not immersed in finance, you’ll find him on the golf course or conquering slopes with skis or a snowboard. Transitioning from a Universal Banker to a Trust Specialist, Thomas takes great joy in helping individuals achieve their financial goals. American Bank & Trust’s values align closely with Thomas’, focusing on doing right by our customers. Thomas is committed to continuous improvement and providing top-notch service for your wealth goals. Reach out to Thomas for assistance in navigating the path to your financial success together!

Dawn Meink WEB

Dawn Meink

Investment Assistant
1820 Dakota Ave S | Huron SD
(605) 352-9122

I grew up in Huron and am a proud graduate of Northern State University in Aberdeen with a double major in Management and Marketing. 

I married my high school senior prom date, Bill, in 1992; we have 2 rescue dogs that we love to spoil.  After graduating from NSU, we lived in Aberdeen for 23 years where I worked in retail and a medical office, before moving back home to Huron in 2014.

Outside of work, I participate in Praise Team at my church and during the summer I play my vintage 100+ year old soprano saxophone in the Huron Municipal Band.

A great part of working at AB&T is that we support each community where we have branches and give back to the schools with the Spirit Card.

I strive to give our customers the best customer service possible whether it is on the phone or in person.  Customer service has always been a huge part of me no matter where I have worked. 

Not FDIC Insured | Not Bank Guaranteed | May Lose Value | Not Insured by any Federal Government Agency | Not a Bank Deposit 

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