Thanks for stopping by! We’re pleased to announce that Rentenbach Constructors Incorporated is now officially known as The Christman Company. Christman acquired Rentenbach in a merger of the two privately-held firms in December 2013 and the company’s Knoxville, TN and Greensboro, NC offices continued operating under the Rentenbach name for several years but are now moving forward under the Christman brand.

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Marty E. Gibbs, P.E., LEED GA

    Marty Gibbs, P.E., LEED GA
    Vice President and General Manager
    Knoxville and Chattanooga Operations
    University of Tennessee, Knoxville, B.S. Civil Engineering

    As the principal-in-charge of Knoxville and Chattanooga operations for Christman’s family company Rentenbach Constructors Incorporated, Marty provides executive oversight of projects and staff throughout the Tennessee region while maintaining key client relationships. Among the critical building blocks Marty brings to ensure delivery of great outcomes for our customers and partners are his collaborative team approach, experience in the market and strong industry involvement. He is a licensed professional engineer and construction specialist in higher education, healthcare and other facilities and is also ASHE Certified and a LEED Green Associate. Marty joined the firm as a project engineer immediately after graduating college in 1998 and was later promoted to project manager in 2001, senior project manager in 2005 and vice president in 2010. He is actively involved with AGC of Tennessee - Knoxville Branch where he has served as board member, vice president, branch president, and is currently serving as past president.