Bennett Trenchless Engineers announced that Mary Asperger has passed the P.E. exam and is now a licensed Professional Engineer in California. In addition, Asperger has been promoted to project engineer and will complete her master’s degree in civil/geotechnical engineering this summer from the University of California (UC) Davis. Asperger joined Bennett Trenchless in 2007 after earning her bachelor’s degree in mechanical engineering from UC Berkeley. As project engineer, Asperger is responsible for all aspects of project design, including feasibility studies, preliminary design, analyses, calculations, technical specifications, drawings, cost estimates and schedules. She also provides inspection services for trenchless construction projects.