Leadership Team


P. Ray Orton, Sr. – Chief Executive Officer and Founder

Paul Ray Orton, Sr. is the founder and CEO of PRO Building Systems, Inc. Ray began his construction career in 1964 after graduating from Auburn University with a Bachelor of Science in Building Construction. He founded P.R. Orton Inc. in 1969 and built the company from the ground up, initially relying on the testimony of happy clients and word of mouth to promote his growing business. P.R. Orton eventually evolved into the very successful PRO Building Systems, Inc. Although partially retired, Ray Orton is still one of the most highly respected in Atlanta’s construction arena, drawing respect and admiration from years of satisfied clients and exceptional building practices.


Edward E. Mock, Jr. – President / Chief Operating Officer

Eddie has been with PRO since 1980. He has a Bachelor of Science degree in Building Construction (1980) from Georgia Southern University.


James M. Gallo – Executive Vice President

Jim, a graduate of Georgia Institute of Technology with a Bachelor of Science degree in Civil Engineering (1983) has been at PRO since 1984.


Steven T. Ellis – Vice President

As Vice President of PRO Building Systems, Steven provides leadership for our in-house design and construction teams as well as oversight of PRO’s architectural and engineering consultants. He is actively involved in every phase of a project from initial concept through construction completion. He consistenetly exhibits expertise in understanding project complexities, navigating jurisdictional approvals and ensuring continuity between design and construction. Steven plays an integral role in developing and maintaining client relationships while demonstrating a strong focus on the collaborative Design-Build approach. He has been with PRO Building Systems since 2005, holds a Bachelor of Architecture from Southern Polytechnic State University and is an active member of the AIA, NCARB and DBIA.

Image placeholder

Contact Us

Thank you!

We will contact you shortly

Can't send form.

Please try again later.