Our People

Steven Shaykett, MAI

Broker Associate

Office Phone: (605) 321-4284

Steve has over 40 years of real estate appraisal experience, which gives him valuable skill set, insight and knowledge to assist buyers and sellers in acquiring or selling all types of real estate, as well as assisting investors and developers in analyzing potential real estate projects.

Jim Wilber

Vice President

Office Phone: (605) 366-9005

Jim Wilber's primary area of expertise is the buying and selling of state-wide commercial agricultural properties. 

Jon Farmer

Director of Property Management

Office Phone: (605) 444-7122

Jon joined NAI Sioux Falls in August, 2015.  Jon brings 25+ years experience in customer service and personnel management.

Brian Frentz

Property Manager

Office Phone: 605-357-7100

Brian Frentz joined NAI Sioux Falls in the beginning of January of 2021 as a Property Manager. He comes with three decades of Facilities experience, mostly in financial institutions.

Brian has experience in construction and project management, vendor relations, building automation, and security equipment.

Brian has earned two professional accreditations (...

Stacey Sieverding

Office Phone: 605-357-7100

Stacey Sieverding joined NAI Sioux Falls as a broker associate in February 2021 and brings over 25 years of sales and marketing experience.

Gretchen Miller

Marketing Manager

Office Phone: (605) 444-7111

A native of Sioux Falls, Gretchen comes to NAI Sioux Falls as Marketing Manager with 15 years of professional experience. 

Christa Larson

Receptionist/ Database Coordinator

Office Phone: 605-357-7100

Christa Larson joined NAI at the end of January 2021 as the Receptionist/Data Coordinator. 

Christa comes to us from Alcester, SD where she worked as an Administrative Assistant at the State Bank of Alcester/ Premier Bank for 9 years. Prior to that she was the director of classes at Power and Grace Gymnastics in Sioux Falls and is currently a part-time com...

Amanda Tolzin

Market Research Analyst/ Broker Associate

Office Phone: 605-357-7100

Amanda Tolzin joined NAI Sioux Falls in March of 2020 as the Market Research Analyst/ broker associate. A native of Lake Preston, SD, she comes to NAI as a 2019 graduate from South Dakota State University with a Bachelor’s degree in Ag Science and minors in Ag Business and Ag Marketing.  Prior to joining NAI Sioux Falls, Amanda worked in the construction industr...

Rich Naser

Office Phone: (605) 366-2059

Rich joined NAI as a broker associate in 2020 and brings 20 years of economic development experience focused on helping entrepreneurs and innovators launch and grow their businesses in South Dakota.

Larry Hayden

Broker Associate