Key Personnel – Team

Charles A. Rowles, PE, Principal

With more than thirty years in civil engineering and building design, Charlie carries an enviable record of experience. Garnering the confidence of clients and localities, his charisma and work ethic became the foundation of our firm in 2004. Since then, Charlie has overseen more than six hundred projects at C A Rowles Engineering & Design. He holds multiple professional registrations and affiliations, in addition to a Bachelor’s of Science in Civil Engineering from Oregon Statue University. When he isn’t in the office, he’s volunteering with the Oregon School Ski Association, or at his church, Christian Life Center.

Scott Hale, Design/Detailer

Scott joined our firm with almost twenty years in the design arena. With a background in structural design and detailing, he brings a unique perspective to our firm. As chief designer, he specializes in tenant improvements, residential remodels, additions and ground-up architectural design. Scott holds an Associate’s degree in Computer Science from ITT Technical Institute.

Matt Williams, Civil Design

Matt joined our firm from Washington D.C., where he practiced land use planning, civil engineering design and local government consulting. Here he applies that experience from concept through construction, meeting client objectives and navigating today’s regulatory environment. Matt has a Bachelor’s of Science in Design from East Carolina University.

Ryan Byrne, Building Designer

Ryan joined our firm with design experiences with small design-­‐build construction teams in Washington and Oregon.  As a building designer, he has a variety of experience, with a focus on preparing construction drawings, code review, space planning, and creating 3D rendering.  Involved on over 150 projects in varying phases, his design work has encompassed buildings from New York to Australia, to Mongolia.  Ryan has a Bachelor’s of Science in Architectural Studies from Washington State University.


Tina Bangsund, Office Manager

Tina handles daily business operations at our office. She manages various accounting responsibilities and provides administrative support to our staff. She loves meeting new people, and being a part of the CA Rowles Engineering & Design family.   Prior to joining our firm, Tina studied at Portland Bible College and now enjoys raising a family.