About
My Computer Guy
My Computer Guy, based in Rockwall, Texas, has been providing computer and network services to small and mid-sized businesses across the DFW area since 1996. With decades of experience, we specialize in managed IT services, cybersecurity, cloud solutions, and IT support, ensuring that your technology works seamlessly so you can focus on growing your business.
What sets us apart? Our people. We’re more than just IT professionals—we’re your trusted partners. Our team takes a proactive approach to technology, offering responsive support, strategic planning, and customized solutions designed to keep your business running efficiently and securely.
At My Computer Guy, we don’t just fix problems—we prevent them. Let us take care of your IT, so you can take care of business
Our Mission
Our mission is to provide comprehensive cybersecurity services that protect our clients’ data systems, and networks from threats and vulnerabilities.
How We Help
We specialize in educating you in the information technology options available to ease your firms’ IT concerns in the 21st century. Our professional scope ranges from administering, maintaining, and managing our clients’ networks and devices to creating and implementing project plans to install and upgrade equipment to protecting our clients’ business with layers of security tools and services. My Computer Guy network and technical engineers’ combined experience allows us to successfully provide custom, affordable solutions to our valued clients.
By coordinating and managing all your technical solutions and vendors, and proactively managing your network, you will see the benefits in the ability to completely focus on running your business.
Cloud Security
Data Protection
Microsoft 365
Network Security
Risk Management
Security Training
Awards and Features
Rockwall Area Chamber of Commerce Medium Business Partner of the Year 2024
Rockwall Chamber of Commerce Small Business Partner of the Year in 2006 and 2010
Featured on CBS Evening News in 2010
Rowlett Chamber of Commerce Business of the Month October 2010 and November 2014
Rockwall Chamber of Commerce Medium Business of the Year 2015 and 2018
Rockwall Herald Banner Voted Best Computer Repair Shop in Rockwall County 2018-2020/2022
Rowlett Chamber of Commerce Community Business Impact award in 2019
Rowlett Chamber of Commerce Voted Best of Rowlett Technology Service in 2022 and 2023
Royse City Chamber of Commerce Employer of the Year 2023
Rockwall Chamber of Commerce Small Business Partner of the Year in 2006 and 2010
Featured on CBS Evening News in 2010
Rowlett Chamber of Commerce Business of the Month October 2010 and November 2014
Rockwall Chamber of Commerce Medium Business of the Year 2015 and 2018
Rockwall Herald Banner Voted Best Computer Repair Shop in Rockwall County 2018-2020/2022
Rowlett Chamber of Commerce Community Business Impact award in 2019
Rowlett Chamber of Commerce Voted Best of Rowlett Technology Service in 2022 and 2023
Royse City Chamber of Commerce Employer of the Year 2023
Our Team
Sheila Hair
President/CEO
Bill Hair
Vice President
Lynette Elledge
Director of Finance & Operations
Will Serrahn
Systems/Service Manager
McKenzie Hammontree
Project/Marketing Manager
Kevin Barteau
Service Technician II
Damatte Tecle
Service Technician II
Rudy Quintanilla
Service Technician I
Rachel Chandler
Service Coordinator/Service Technician I