Real Estate Brokerage

Trevor Tune

Licensed Realtor

Trevor is a business strategist and real estate investor.  In addition to working as a licensed real estate agent, he is the founder of an independent consultancy focused on advising early and growth-stage startups.  Trevor previously worked in a full-time capacity as the Director of Operations at Capital Innovators, a St. Louis-based accelerator program.

What’s in Your Radius?

Trevor currently resides in St. Louis and has been a Contributor at the St. Louis Business Journal and EQSTL where he has written articles about the innovation community’s impact on the local economy.

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 property management issues.

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