
Gregg Brown MBA, SIOR
Partner
NAI Sioux Falls
605 906 0394
gbrown@naisiouxfalls.com
vcard
Clients Represented
- All American Gymnastics
- Compass Health Brands
- First Interstate Bank
- First National Bank in Sioux Falls
- Frontier Fitness
- Glacial Lakes Distillery
- Hegg Realtors
- Profile by Sanford
- RMB Associates
- Sanford Health
- Signature Companies
- Silverstar Car Wash
- South Dakota State Medical Association
- Wells Fargo
- Woofs and Waves
- Zurich Insurance
Scope of Service
Since 1998, Gregg has been working in commercial real estate within landlord advisory, tenant representation, and corporate real estate services. He specializes in providing his clients with expertise in lease and sale negotiations, financial analyses, property marketing, and portfolio management. As part of his extensive real estate background, Gregg has closed in excess of 2 million square feet of transactions.
Background & Experience
Prior to joining NAI Sioux Falls, Gregg was a Senior Managing Director at Newmark Knight Frank/ Grubb & Ellis in Washington, DC, where he was responsible for managing corporate accounts, landlord leasing, and tenant representation assignments. He started his brokerage career as a licensed agent in 1998 at the boutique firm of MorrisMcNair & 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.
Professional Affiliations & Designations
- Licensed Real Estate Broker/Agent in: South Dakota, North Dakota, and Minnesota
- Society of Industrial and Office Realtors (SIOR)
A professional symbol of the highest level of knowledge, production and ethics in the real estate industry.
Education
- Master of Business Administration, Finance
- Bachelor of Arts, History
Community Involvement
- Sioux Falls Housing and Redevelopment Commission – Board Member
- The Rotary Club of Sioux Falls West – Past President
- Dakota Business Finance – Former Board Member
- NAI Global Leadership Council – Former Board Member
- Prince of Peace: The Christmas Story Musical – 2025 Cast Member