John Roller, P.E., S.E.

Structural Engineering


  • Structural Engineering + Evaluation


Mr. Roller’s career with CTLGroup has largely been devoted to performing investigations and evaluations of failed, damaged, or distressed structures or components, and providing expert consulting services related to design, construction, performance, and management of building or civil structure assets. Specific areas of expertise include reinforced and precast/prestressed concrete structures and components, fiber reinforced concrete, and large-diameter pipe used for drainage or transmission of pressurized water and wastewater.

Mr. Roller sees himself as a very practical, detail-oriented, and thorough individual who strives for accuracy and excellence in all endeavors. These personal traits have served him and his clients well over the years as a researcher, forensic engineer, and expert consultant. Working at CTLGroup for the past three decades has allowed him to thrive in his profession, make the most of his technical abilities, and work as a team with some of the foremost experts in their fields.


B.S. in Architectural Engineering, Milwaukee School of Engineering, 1983

A.A.S. in Architectural and Building Construction Engineering Technology, Milwaukee School of Engineering, 1981


  • American Concrete Institute
  • American Institute of Steel Construction
  • American Water Works Association
  • Precast/Prestressed Concrete Institute


  • ASCE T.Y. Lin Award, 2012
  • ASCE T.Y. Lin Award, 2008
  • ACI Wason Medal for Most Meritorious Paper, 1992

Featured Publications

Roller, J. J., et al, (Ed).. More Sticks And Bricks, First Edition. American Bar Association, Skokie, Illinois, 2018

Roller, J. J., “PCCP Risk Management – State-of-the-Art and Strategy Optimization,” AWWA Journal, Vol. 105, No. 7, July 2013.

Morscheck, L.A., and Roller, J. J., “Stress Testing of a New North American Passenger Locomotive Truck Frame in Accordance With International Union of Railways (UIC) Code,” Proceedings of the 2013 Joint Rail Conference (JRC2013), Knoxville, Tennessee, April, 2013.

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