Our Office

Columbia is part of the largest fully integrated network of real estate and auction professionals in the nation. The company has been an innovator in real estate marketing since 1925. Our Management team knows the needs of agents in urban and metropolitan markets. We address those needs by providing powerful marketing programs along with technology-based services that are unique to the industry.


Joe Katzenberger

Managing Broker, Lexington

Joe Katzenberger Managing Broker, Lexington

Joe comes from a long career in sales management and success servicing both the United States of America and Canada in addition to overseeing markets throughout the world in the agricultural and golf irrigation industry. With this experience he is accustomed to working with people of all backgrounds with varying wants and needs.  
Prior to these international sales responsibilities, he was a Real Estate Broker and Realtor® in Colorado, Wyoming, Utah and Oregon. During those years he also managed residential real estate sales in Washington, Utah, Wyoming, Oregon, Colorado,Texas, New York, Ohio and Pennsylvania.  
In addition to being a South Carolina Broker and active Realtor®, he has taken additional training through the National Association of Realtors. He has earned his credentials for  Short Sales and Foreclosures (SFR) ,  Accredited Buyer Representative   (ABR),  and Pricing Strategy Advisor (PSA). He serves as co-chair for the Grievance Committee for the local board of Realtors® and as a member of the South Carolina Grievance and Professional Standard committees.  

Joe is a certified real estate agent for the Cartus, USAA, NavyFed, SIRVA, Xonex, Weichert and Graebel relocation companies assisting families moving into and out of the area.


SuzAnne Smithson

Assoc. Broker of Operations

SuzAnne Smithson Assoc. Broker of Operations

SuzAnne has been a real estate agent since 2014, but selling homes is not her focus with United. She handles all aspects of the business, from recruiting to onboarding to training to office management. SuzAnne believes that United Real Estate is the best place for an agent to be, and she will gladly tell you all about it if you ask! She spends her free time with her teenage son and daughter; she has served for more than a decade on a local charitable board; and she also plays league tennis and will consider herself a success if she can ever learn a slice serve...


Winston Velpula


Winston Velpula Broker-Owner

As Owner of United Real Estate Columbia, Winston Velpula combines his years of real estate experience with more than fifteen years in the IT industry; his knowledge of marketing and technology places him squarely in the role of innovator among his area peers. He was named Rookie of the Year during his first year of sales, and he has continued to be a strong presence in Columbia real estate ever since. Winston works alongside his wife Sylvia and has two daughters; he is also a generous supporter of local charities and a patient mentor and motivator to his agents.


Preston Young

Managing Broker, NE Columbia

Preston Young Managing Broker, NE Columbia

Preston Young comes to United Real Estate with 20 years of real estate experience and 14 years of real estate management experience. He is well-versed in contract and compliance management: he earned the title of Central Carolina Realtor of the Year in 2007 and sat as CCRA President in 2008. He has also served in various capacities for the state and local Realtor associations, as well as city and county boards. He is a steady source of knowledge and encouragement for the agents and a well-known member of the Columbia-area real estate community.