770-457-5923, ext. 251


Associate/Director of Engineering

John joined PES in 2006 and now serves as our Director of Engineering.  In this role he makes sure we are at the forefront of structural engineering design, technology and building code application. To do so,  John and other staff members participate in national industry groups where they interact with other industry leaders to help shape the direction of the structural engineering community. John is an active member of the NCSEA Wind Engineering Code Advisory Committee and an associate member of the ASCE 7 Wind Loads Subcommittee.  These committees are involved in the review and development of building code provisions as they relate to all aspects of wind design, from the overall plan for the primary structural system to the detailed attachment of components and cladding to the building envelope. John is also involved with national and local committees for Special Inspections and Quality Assurance, and Structural Engineering Emergency Response (SEER) for post-disaster assessment of buildings.  Additionally, John serves as firm-wide resource to our staff to facilitate creative structural solutions for challenging projects, conducts in-house training to keep our engineers up to date on the latest changes affecting the design community, and serves as mentor as well.  John can be reached at jobrien@pesengineers.com.

Fun Facts:  John is a NO MEAT ATHLETE…ie he uses his vegan lifestyle to fuel his performance in various endurance sports.