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Aaron Lewis is a seasoned civil engineer with extensive experience in design, investigation, and rehabilitation of civil engineering infrastructure. Currently serving as Senior Principal at Simpson Gumpertz & Heger Inc. since January 2003, Aaron has previously held positions as a Principal at the same company. Prior to this role, Aaron worked in various part-time capacities as a Civil Engineer and Land Surveyor in Training at Lewis Associates, and as an Engineer in Training at Davidson Engineering Inc. and Parsons Brinckerhoff Quade and Douglas. Aaron holds a Master of Science in Civil Engineering from the University of Michigan and a Bachelor of Science in Civil Engineering from Northeastern University.