Our Team

Our Team

David Johnson
President | Lead Developer

David Johnson is the president of Diamond Data Systems and the key architect of The Uniform Solution – the uniform industry’s leading software solution for retailers. David started his career with Texas Instruments working as an Industrial Engineer and gained software development experience while working for Andersen Consulting. In 1992, with a desire to create his own company and family with a retail uniform business in Nashville, David began creating a software program for uniform retailers that has become the foundation for his company.

Since 1993 The Uniform Solution has been leading the industry with key innovations that have made the uniform retailer more productive, efficient, and informed. Today The Uniform Solution is installed in more than 1000 locations, supports multi-store retailers with 20+ locations, provides a WebStore so retailers can easily sell online, and connects with the systems at major uniform vendors to simplify product maintenance, provide electronic ordering, and to expedite merchandise receipt.

David has 4 sons. In his free time, David enjoys boating, wake surfing, slalom skiing, snow skiing, in-line skating, and just hanging out with family and friends. 

Corrine Lawrence
Executive Assistant

Corrine has served in a variety of industries as an executive assistant over the last several years. In her current role, she supports David Johnson by assisting with financial reporting, scheduling, and anything else that may come up. She also supports other teams as needed. Corrine manages the company’s payroll system, serves as a point of contact for human resource questions, and coordinates company events.

She has a passion for delivering high-quality work for all those she interacts with—customers, team members, or vendors. What she likes most about her job is the variety of responsibilities she has.

Outside of the office, Corrine enjoys cycling with her husband, spending time with her four grown children and their families and hanging out with her two Boxer dogs.

John Bass
Director of Sales | Connected Partner Coordinator

John Bass is the most experienced person you can find to help you get your uniform store or business up and running on an inventory control system. Since 1998, John has helped hundreds of uniform stores determine their hardware and software needs to support their specific type of business. If you are a retail business, selling on-site, processing orders, or eCommerce, John is familiar with it all. With over 20 years in the business, John has extensive knowledge about computers, software, and always works to provide the customer with the greatest value possible. His goal is to meet your needs and to use The Uniform Solution to provide exceptional value.

At home, John enjoys spending time with his wife and son, and he only rarely mentions the sailboat he doesn’t get to take out anymore.

John Bass VP at Diamond Data Systems

Johnny Melendez
Business Development Manager

Johnny Melendez comes to Diamond Data Systems with over a decade of experience in sales. Most recently, he has spent the last two years working on UniformPay and helping customers transition to our software, The Uniform Solution and The Uniform Solution eCommerce. Johnny also helps with scheduling demos for The Uniform Solution and transitioning customers to UniformPay.  Johnny loves talking to potential customers to identify their needs and help them find the best solution possible.

Outside of work, Johnny spends his time with his wife and kids. They love watching MMA and other combat sports together. He also enjoys drawing and playing the guitar whenever he has the time.

Emme Huber
Marketing Specialist

Emme joined the team as our Marketing Specialist. She graduated from the University of Oklahoma with a degree in Public Relations and Spanish. Some of Emme’s passions include writing, blogging, graphic design, social media management, brand creation, and event planning.

She served as a marketing and social media coordinator before joining Diamond Data Systems. Her previous work experience focused on company branding, event planning, social media management, marketing campaigns, and general internal and external communications.

Outside of the office, Emme enjoys spending time with her family and friends, cooking, traveling, or cheering on some of her favorite sports teams- The Oklahoma Sooners, The Dallas Cowboys and The Dallas Stars! 

Jon Lemons
Customer Experience Manager

Jon is our Technical Support Manager who has over 20 years of experience in customer-facing roles. He has worked in everything from sales and support, to training/managing new employees, and he even works on special marketing projects throughout the year. His friendly demeanor and ability to explain complex issues make him a valued asset to our team.

Jon’s day-to-day is managing a diverse group of team members, giving input on all high-level projects, and managing tasks to make sure each customer has a great experience working with Diamond Data Systems. He loves talking to everyone and building an atmosphere that people are excited to be a part of every day.

An avid lover of soccer, he’s a die-hard fan of the local MLS team, FC Dallas. Jon also enjoys playing the guitar, journaling, and making music or going camping with his wife and children.

Kyle Larson
Cloud Service & IT Manager

Kyle Larson studied at the University of Kansas and Northern Kentucky University. His experience is focused on network, cloud services, and data management. With a passion for customer service, Kyle’s top priority is providing an excellent customer experience. 


Kyle served as an IT technician in Ohio before joining Diamond Data Systems. He also has experience working in public relations within collegiate athletics. 


Kyle enjoys spending time with his wife and twins. He is a selfproclaimed basketball fanatic who also enjoys playing golf. 

Developer at DDS

Eddie Sizemore

Eddie Sizemore is a gifted software developer that locks down on a task with a passion that never ceases. Eddie Sizemore joined the development team at Diamond Data Systems in 2010 and has been essential to our release of the WebStore and the MS SQL version.

Eddie lives in Indiana just outside Louisville, KY with his wife of many years. Although his kids are out of the house now, he is a true family man that enjoys the time they spend together on vacations and holidays.

Brett Medlin

Brett joined Diamond Data Systems in May of 2020 after he received his bachelor’s degree in Computer Science from Texas A&M. Brett’s day-to-day responsibilities focus primarily on the Cloud and Web Development. His big project has been developing The Uniform Solution PWA. Brett loves the opportunity to learn new skills and create unique solutions to solve problems.

Outside of work, Brett loves fishing, hiking, traveling, and spending time with his friends and family. He also has a very spoiled cat named Winston!

Cat Nguyen
Business Analyst UI/UX

Cat Nguyen joined the Diamond Data Systems team as a Business Analyst UI/UX. She graduated from The University of Texas at Dallas with a bachelor’s degree in Computer Science and then went on to get her UI/UX Design Certification at Southern Methodist University.

Before joining our team, Cat’s experience was in ERP- development and customer-facing. At DDS, she primarily focuses on user interface designs for our webstore, mobile application, and eCommerce. She loves her job because it combines both her hobbies and interests. Cat enjoys researching and figuring out the best option to design better experiences for our customers.

Outside of the office, Cat loves rock climbing, spending time with her fiancé and their 3 dogs, and DIY projects such as designing prints, cards, pottery, and candle making. 

Bob Pacitti
QA Analyst

Bob is Diamond Data System’s QA Analyst with a degree in Computer Science and a minor in Mathematics. Bob oversees reviewing, confirming, and testing development enhancements and corrections in The Uniform Solution POS and Webstore programs. He also builds and initializes The Uniform Solution Instances on our Amazon site, among many of duties regarding assistance and support to other departments.

Bob loves the fast-paced environment, but the extremely smart, talented, and caring people he works with are what make his job special to him.

Outside of work he enjoys spending time with his family and friends and doing home improvement projects. He also volunteers for his faith community, Dignity Boston, and serves as a Zoom Tech Coordinator for their virtual services preparing online presentations for weekly liturgies. In addition to serving on their board of directors, he loves to sing with the church choir and officiating for marriage ceremonies.

Joel De La Garza
Technical Support Manager

Joel De La Garza is one of the newest members of the Diamond Data Systems team. He has over 20+ years of technical support & management experience. He attended one year of college and then made the decision to jump right into work to get real-world experience! His daily role is overseeing the Technical Support team and guiding them to become World Class in providing support to all our customers.

Joel’s favorite part about his job is getting the opportunity to bring his years of experience to a company that is looking for something different. Bringing big ideas and positive change into production is something he looks forward to and drives him to do better every day. 

Outside of work, his main priorities are, in order, Faith, family, and then fun. Joel and his family have been plugged into their church for over 20 years and absolutely love it. His family means the absolute world to him and is the reason he works as he does.  He has been happily married for 22 years to his amazing wife and together they have 3 boys. His family also has 2 dogs, 1 cat, and 3 ferrets. Joel is also very passionate about sports-basketball, baseball, soccer, football, and golf to be specific. Lastly, his family’s favorite place is Destin, FL where they vacation every year.

Syed Ali
Technical Support Specialist | Catalog Coordinator

Ali Syed is new to the Tech Support Team and has a passion for helping others. He is currently obtaining an Information Systems degree from The University of Texas at Arlington. He loves being hands on and is growing to become an expert in his field of interest.

Outside of the office or the classroom you can find Ali coaching his old high school’s wrestling team.

Chad Dunn
Technical Support & UniformPay Specialist

Chad is a Senior Support Specialist with Diamond Data Systems with over 20 years of support experience in both technical and financial services. His emphasis at DDS is on our payment services. Chad loves the people he gets to work with every day and believes that is what makes his job so great.

Outside of work, Chad enjoys traveling, photography, and storm chasing (the best combination of travel and photography). He also loves spending time with his nephews! 

Monica Perez Gutierrez
Technical Support Specialist

Monica is part of our technical support team, who has over 16 years of experience providing excellent customer service and working within the IT industry. She also has a Network Associate Degree.

At Diamond Data Systems, Monica provides technical support while giving the best customer service experience possible and by building rapport with our customers to instill long-lasting relationships. Her favorite part of her job is getting to know our customers and fixing any issues they have. 

In her free time, Monica enjoys spending time with her husband, family, and fur babies.  

Nathan Smith
Technical Support Specialist

Nathan Smith has a mathematics degree from Texas A&M University. His experience is in education technology. With a passion for education and technology, Nathan’s top priority is ensuring every customer has the tools they need to succeed.

Nathan served as a Curriculum Developer before joining Diamond Data Systems. He also has experience in networking and building computers.

Nathan enjoys spending time with his wife and two children. He is a huge fan of the Dallas-based sports teams and the Aggies, but the Rangers will always be his favorite. 

Raymond Ortiz
Technical Support & UniformPay Specialist

After Raymond graduated from The University of Texas at Dallas with a degree in Information Technology, he went into IT customer service in the healthcare industry. He eventually relocated to a farm in Quinlan, Texas with his parents and then joined the Diamond Data Systems team.

Raymond loves how everyone at DDS is always willing to give a helping hand when it comes to day-to-day operations. “I have the trust in my team to know that if I don’t know something, I can reach out to them without the fear of it not going anywhere or with some type of judgment,” said Raymond.

When Raymond isn’t working, he is home taking care of both the land and animals he has on the farm. He also has 10 dogs (7 Cane Corsos + 3 Shih Tzus)! Some other hobbies of his include rock climbing/bouldering and video games. Rock climbing has become an important passion of his recently and enjoys the problem-solving aspects that come along with it.

Rick Munguia
Technical Support & UniformPay Specialist

Rick comes to Diamond Data Systems with over 20 years of experience in IT-working with the Helpdesk, Desktop Support and Application Support. His certifications include Cisco CCNA, Microsoft MCP, Comptia A+, and Comptia Network+.

Rick loves the multiple subject matter experts on hand at DDS, and the teamwork demonstrated from our President down to our Technical Support staff.

Outside of the office, Rick is married to his wife of 25 years, and they have two children. He enjoys playing the bass guitar since he previously played in various bands for over 20 years. Some of his favorite sports teams include the Detroit Tigers, Michigan Wolverines, and of course the Dallas Cowboys.