For his entire career, Yazen has provided structural engineering consulting services both internationally and locally.

Yazen served three years as a Senior Project Engineer working with an International consulting group in Dubai, UAE providing post tensioning structural design for future structures in the Middle East, Europe, and India.

Yazen has also provided structural engineering design services to public agencies including verity of school districts in the Texas area. Locally (State of California), Yazen continues to provide structural engineering and design services in buildings including hospitals (OSHPD), local municipalities including counties and cities, as well as universities and educational institutions.

His technical expertise includes structural steel and light-gage steel design, reinforced concrete design (including post-tensioned concrete), masonry design and wood design. He has extensive knowledge of various building codes including California Building Code for OSHPD and DSA projects.