Property Management

Chris Long


Chris founded Radius out of a desire to unite his successful software and technology career with his passion for real estate. Since 2009, he’s helped clients throughout St. Louis significantly reduce overhead and increase profits, leveraging cutting-edge technology to find solutions to buy, sell and invest in real estate.

Madeline Buthold

Leasing Coordinator

A lifelong resident of St. Louis, Madeline entered real estate to help new arrivals and longtime residents alike find quality housing at affordable prices. With a native’s perspective, she guides her clients with thorough knowledge of the city’s many neighborhoods and enthusiasm for the things that make her hometown special. When she isn’t helping clients, Madeline works to improve St. Louis as the Democratic Committeewoman for the city’s 14th Ward.

Brandon Clark

Leasing Agent/Maintenance Tech

Brandon was Radius Realty’s first employee, and has truly grown with us! His passion is helping people, and to that end, he works as both a leasing agent for most of our North St. Louis properties and as an all around maintenance guy. Brandon previously was the owner-operator of a cleaning service franchise and managed properties for an Illinois company.

What’s in Your Radius?

Anything Superman. I try to go to the yearly Superman fan festival in Metropolis, Illinois.

Karen Campbell

Licensed Realtor and Property Manager

Karen Campbell is a licensed real estate agent with Radius Realty. She’s passionate, driven, and works with investors, sellers, and a variety of buyers.

What’s in Your Radius?

With more than six years of property knowledge and dedicated experience I take pride in my honesty and rigorous moral standards. I offer my customers the most accurate and up-to-date data on the state of the industry, it’s trends and comparative sales giving them a practical outlook on what they can expect to achieve in the current market.

I believe that when trading properties having influence is important and with my large sphere of influence and passion for networking, myself and my organization has a dominant presence in the area.

The best way to make a difference is through our work and I am committed to helping you succeed!

Connect with Karen on her FaceBook Page