About Us

The Company

We can tell you a little about who we are, but what we really like to do is become a part of who you are.

While many of our client relationships begin because of the need for an immediate solution to a crisis, we are not the quick-fix types. Long-term planning and big-picture thinking are where we shine – and that requires a lot more than the occasional repair. We want to understand your company goals and objectives and make sure you have the systems in place to reach them.

That’s why one of the most valuable things we do for our clients is actually what we don’t do: surprises. When we work together to create a plan, you avoid unexpected expenses and we avoid having to tell you about unexpected expenses. So it’s a win-win.

Our People

Dan Lessmann, President

Dan graduated from Oklahoma State University with a degree in Mechanical Engineering. After graduating, he did design work for a variety of manufacturing companies, ranging from oil field equipment to air filtration systems. It was this experience that introduced him to the vital role computers and computer technology was playing in the design field and business in general. He quickly redirected his career to support and management of Computer Aided Engineering networks and software.

He became an applications engineer for Manufacturing and Consulting Services, Inc., in Scottsdale, AZ., in 1985, where he provided on-site customer support and consulting, and played an instrumental role in streamlining customers’ design processing.

Dan returned to Oklahoma City in 1989 and joined CMI Corporation, a leading manufacturer of road building equipment, as Computer Aided Engineering Systems Manager, where he managed a sophisticated computer network and developed training programs and custom manufacturing software.

Dan joined Data Systems in 1991 as General Partner, then Managing Partner and now President.

In his personal time, Dan enjoys music and the arts, cycling, snow skiing, reading, photography and astronomy.

Contact Dan at 405.445.0310 or dan@dscok.com

Brandon Battle

Brandon is a Microsoft Certified Professional with an extensive background in various network environments, including Microsoft Windows Server networks. His experience also includes wide area networks, voice over IP and wireless communications. He has exceptional problem solving and troubleshooting skills and clients love his ability to prevent problems from happening in the first place.

Most important, Brandon is a great fit with the Data Systems business philosophy: his clients are extremely loyal, and he is exceptionally dedicated to going above and beyond to find the best and most cost-effective solutions and implement them efficiently.

In his personal time, Brandon enjoys time with his wife and children, somehow working in time for volleyball, piano, guitar, fishing, golf and home improvement projects.

Contact Brandon at 405.445.0300 or brandon@dscok.com