Board of Directors


TJ Speer

President (Sioux Center, IA)

Vice President, Loan Administration, American State Bank

TJ graduated from Northwestern College in 2007.  After graduation, he worked for First National Bank of Sioux Falls for seven years.  While there, TJ began as an analyst, managed a branch, and spent most of his time as a commercial lender.  In 2014, TJ moved home to Sioux Center, IA to work at American State Bank. TJ now serves as the VP of Loan Administration which involves working with the loan officers and the loan portfolio.  TJ serves on the Executive Loan Committee and is an integral part of the loan approval process.  American State Bank is a $900MM bank with 9 locations, and, while doing a lot of commercial lending, it is the 2nd largest Ag bank in Iowa. 

TJ Speer’s favorite part of his job is finding solutions to help customers achieve their goals. TJ and his wife, Lisa, have two girls, Adalyn and Stella. They reside in Sioux Center.


Heath Kooiman

Vice President (Sioux Falls)

Heath is a licensed certified public accountant who has been with Woltman Group, PC since November of 2000. He specializes in financial accounting, income tax preparation, and computerized accounting. Prior to joining Woltman Group, PC in 2000, Heath was a staff accountant with Allen, Nelson, Turner & Co., P.S.

Heath attended the California State University at Stanislaus majoring in Business Administration and Accounting. Heath has served on several boards and committees including Hagen Beverage Distributor and the Sioux Falls Noon Sertoma Club. Heath enjoys spending time with his wife, April, and their daughter.


Brian Gilbert

Secretary/Treasurer (Sioux Falls)

Senior VP and Ag Banking Manager, The First National Bank in Sioux Falls

Brian Gilbert has been with The First National Bank in Sioux Falls for 14 years and has 20 years of Ag lending experience.

Brian grew up in Hitchcock, SD on his family’s cow-calf and row crop farm operation.  He graduated from SDSU with a B.S. degree in Economics and Agribusiness.  He continued his education by attending the Graduate School of Banking and the South Dakota Agriculture and Rural Leadership program. He takes pride in helping farmers achieve their financial goals and understands the importance of keeping the family legacy strong through comfortable and challenging times.  Brian and his wife Ann, have three children that all attend St. Mary School in Dell Rapids SD, where they call home today.

Outside of work, Brian is on the SD Cattleman’s Foundation board, Sioux Falls Stockyards Experience board, and Independent Community Bankers of South Dakota board. He is also an active volunteer with many community organizations.


Gregg Brown

Director (Sioux Falls)

Senior VP, Managing Director NAI Sioux Falls

Gregg has spent the past 23 years in commercial real estate himself within landlord advisory, tenant representation, and corporate real estate services. As part of his extensive real estate background, Gregg has closed in excess of 2 million square feet of transactions.

Prior to joining NAI Sioux Falls, Gregg was a Senior Managing Director at Newmark Knight Frank/ Grubb & Eliis in Washington, DC for the past 9 years, where he was responsible for managing corporate accounts, landlord leasing, and tenant representation assignments. He started his brokerage career in 1998 at the boutique firm of Morris-McNair & Associates. Gregg began his real estate career with Realty Investment Company, Inc., in 1995. He served as the acquisition coordinator
for office and apartment properties located in Maryland, Florida and Indiana and also served as a commercial property manager for a suburban office portfolio in Maryland.


Steve Carnes

Director (Brookings)

Steve was born in Madison, SD, the oldest of four siblings. He grew up in Chester and Beresford, SD. Steve graduated from high school in Beresford and attended South Dakota State University earning Bachelor’s Degrees in Agricultural Business and Commercial Economics. Steve has spent his career working in the Banking and Financial Services field and is currently the Market President for Dacotah Bank in Brookings, SD.

Steve has always been very active in the communities he has lived in. He has taken a special interest in the local Chambers of Commerce, Rotary Clubs, and various economic development organizations in the communities, and he has always had a deep need to “give back” through the organizations he has been involved with.

Steve met his wife, Kim, while in college, and they have three children, Chelsea (Lino Lakes, MN), Brittni (Chicago, IL), and Alex (Sioux Falls, SD). Steve and Kim enjoy walking to stay healthy and spending time with their family, especially their two grandchildren, Charlotte (6) and Zachary (4), travelling to see and experience “new things”, and all SDSU Jacks football and basketball games.


David Miller

Director (Sioux Falls)

Economic Development Director

David Miller is the Economic Development Director for the City of Rock Valley, IA. He grew up in rural Rock Valley, Iowa and attended Northwest Iowa Community College. After graduating, he went on to own and operate The Buckaroo, an independent restaurant in Hudson, SD. After a successful business venture, David was tasked as the Rock Valley Chamber of Commerce director, and ultimately the Development Director in 2014.

David is highly active in his community and surrounding area and participates in many organizations to advance his community. These organizations include: Northwest Iowa Development, Sioux County Community Foundation, Project Youth Daycare Board, Rock Valley Kiwanis Club, Rock Valley Youth Wrestling Club, Friends of Rock Valley Foundation, Sioux County Board of Adjustment, Your Future at Work Advisory Board. David also recently served on the Iowa Governor’s Economic Recovery Task Force. He is also the Deputy Civil Defense Director for the City of Rock Valley and served in the past as a volunteer Fire Firefighter and EMT.
David is married to Lindsey, a Registered Nurse and has two children, Olivia and Lincoln. David enjoys coaching or attending his children’s activities and concerts, but mostly cherishing the time spent with family and friends.


Rick Martin

Director (Sioux Falls)

Partner, Ernst Capital Group, LLC

Rick Martin is a partner with Ernst Capital Group, LLC and its affiliated companies.  Ernst Capital is a real investment firm that helps developers and owners access private capital markets and effectively manage commercial real estate assets.  Prior to joining Ernst Capital in 2010, Rick was a commercial banker for 32 years with his last position being Market President for Great Western Bank in Sioux Falls.

Rick was raised in Mitchell, South Dakota and attended the University of South Dakota majoring in Business Management and is a licensed Securities Principal and Real Estate Broker Associate.  

Rick has served on several boards and committees including Sioux Empire United Way and Sioux Empire Housing.  Rick and his wife, Bonnie, enjoy spending time with their four grown children and six grand kids.


Bob Mundt

Director (Sioux Falls)

President/CEO - Sioux Falls Development Foundation

Bob comes to the Sioux Falls Development Foundation with a broad background in Economic and Community Development having served over 30 years in the development business.  Using experience from five different communities around the Midwest, Bob works with elected, civic and community leaders, local developers, existing businesses and prospects from outside the region to identify growth opportunities and coordinate the implementation of programs and processes leading to economic growth and prosperity in the region.

With strong roots in the community having grown up near Sioux Falls, Bob returns with a passion to work with new and existing companies and community leadership in the continued growth and development of the region.  He understands the challenges of building the workforce, helping existing businesses expand and recruiting new companies to our region.

Mundt is a graduate of the University of Northern Iowa, the Institute for Organizational Management, the Center for Creative Leadership and has a Master’s degree from Bellevue University in Omaha. Mundt is a Certified Economic Developer (CED) and a Certified Chamber Executive (CCE). His economic development experience includes extensive work in business attraction, retention and expansion, talent attraction and development, small business/entrepreneurial growth and land and infrastructure development.



Jake Quasney

Director (Sioux Falls)

Jake grew up in Rapid City, SD before attending Chadron State College in Nebraska.  After graduation, Jake attended the University of South Dakota School of Law, earning a Juris Doctorate in 2011.  Jake went on to complete his LLM in Taxation through the University of Alabama. 

Following graduation from Law School, Jake clerked for a year in the 7th Circuit of South Dakota.  After his clerkship, he joined the Bangs McCullen Law Firm where he focused in transactional, business, estate, and tax planning.  In 2015, Jake found his calling when he joined