Meet Gei's

Catherine Johnson, P.G., LSP

Project Manager

Catherine is a Project Manager and geologist with more than 20 years of experience. She has worked with municipal and state agencies to bring their disposal sites into compliance with the Massachusetts Contingency Plan (MCP) and managed all manners of MCP response for a variety of private and government clients. Catherine is an experienced geologist with extensive experience in environmental site assessments, facility compliance audits, subsurface field investigations and geologic mapping.

Ms. Johnson has a M.S. and B.S. in Geology from Boston College.


Boston, Massachusetts


  • Licensed Professional Geologist: NH
  • Licensed Site Professional: MA