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Leadership
Zachariah Buchanan
PRINCIPAL
Mr. Buchanan has extensive experience in the construction industry in both horizontal and vertical construction. Prior to founding TBG Consulting he was a Senior Cost and Schedule Consultant at AECOM where he led the cost estimating and scheduling efforts on several large and diverse projects including military bases, water mana
PRINCIPAL
Mr. Buchanan has extensive experience in the construction industry in both horizontal and vertical construction. Prior to founding TBG Consulting he was a Senior Cost and Schedule Consultant at AECOM where he led the cost estimating and scheduling efforts on several large and diverse projects including military bases, water management facilities, and various transportation projects throughout the world. Mr. Buchanan specializes in construction cost estimating, scheduling, claim analysis, value engineering and constructability reviews. He holds a B.S. in Construction Management from Missouri State University and a M.B.A. from Duke University.