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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John M. O'Toole, LEED AP

    John M. O'Toole, LEED AP
    Vice President, Healthcare Services
    Eastern Michigan University, B.S., Industrial Technology, Construction Management

    As principal in charge of Christman's healthcare services, John brings to his role extensive experience and knowledge in healthcare facilities programming, with a focus on creating facilities solutions centered on clients' strategic business goals. Prior to joining Christman in 2003 as healthcare services director, John worked for 15 years as director of operations for Centex Rodgers, Inc., where his responsibilities focused exclusively on healthcare pre-construction and construction services delivery. His particular expertise includes the Michigan healthcare marketplace, pre-construction services delivery and medical equipment /telecommunications planning. John was promoted to vice president in 2006.