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Troy Pierantoni, P.E. has over 30 years of work experience in the engineering industry. Troy started their career at Marathon Pipe Line as a Pipeline Engineer from June 1991 to January 1995. After that, Troy joined Tetra Tech Rooney in January 1995 where they held various roles, including Vice President/Sr. Project Manager and currently serving as the President since October 2020.

Troy Pierantoni, P.E. obtained a Bachelor's degree in Civil Engineering from the University of Wyoming between 1986 and 1991. Troy also holds the Professional Engineer (PE) certification from the State of Wyoming, obtained in 1999, as well as the Professional Engineer (PE) certification from the State of Colorado, obtained in 1995.