About People

Peggy Ganse

Peggy Ganse, PE, PG, PMP

Vice President

Peggy is a geologist and geological engineer with experience designing, managing, and performing geotechnical projects for water, wastewater, and storm water pipelines and associated structures across North America.  Peggy has planned and executed geotechnical investigations for pipelines, treatment plants, pump stations, lift stations, ponds, slopes, and tunnels.  

As a senior member of our tunneling services group, Peggy has considerable tunnel design and construction expertise, focusing on design and condition assessment of two-foot to 16-foot diameter tunnels in the water and wastewater markets. In addition, she is experienced in a wide range of geotechnical design for pipelines and plants, including shallow foundations, trench excavation and stability, dewatering, ground settlement analysis and mitigation, and grouting and ground improvement. Peggy provides the full range of geological/geotechnical consulting services, with an emphasis on client service, project scoping and management, and technical leadership in project design and implementation.


  • ME, Geological Engineering, Colorado School of Mines, 1993
  • BS, Geology, Bloomsburg University of Pennsylvania, 1991
  • BA, Economics, Bloomsburg University of Pennsylvania, 1988


  • Professional Engineer, Colorado 
  • Professional Geologist, Colorado 


  • Society of American Military Engineers
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