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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Jacob Z. Kulhanek, P.E., LEED AP

    Jacob Z. Kulhanek, P.E., LEED AP
    Vice President, Regional Operations - Tennessee
    Michigan State University, B.S., Civil Engineering 

    Jacob, a 21-year veteran of the construction industry, joined the company in 2001 and serves as Vice President of Regional Operations in Tennessee. He is Licensed Professional Engineer, LEED Accredited Professional and Accredited Tier Designer (ATD). The first member of a construction management firm to achieve the ATD accreditation in the state of Michigan, and one of only a handful nationally, he is able to provide an enhanced level of expertise for planning and implementing Uptime Instituted Accredited Data Center facilities. Jacob has a proven track record of managing large, complex projects including data centers, K-12, healthcare and office facilities, and has stepped forward multiple times to lead special projects, including a transformational corporate scheduling standards initiative.