Mr. Jedrzejak is a licensed professional engineer with more than 25 years of experience in civil engineering, specializing in transportation projects involving roadway, highways and bridges. Over the course of the years he has worked on numerous projects for the Illinois State Toll Highway Authority, Illinois Department of Transportation, Chicago Division of Transportation, Metra, and numerous municipalities. He has extensive experience in completing Drainage Reports, Project Development Reports, final design for plans, specifications and cost estimates, supervising and coordinating major heavy highway and local transportation construction projects, and providing quality assurance and quality control. Mr. Jedrzejak became a Principal in 2002.