Brynn McCulloch, PG
Principal Geologist

Brynn has been with Leighton nearly 19 years, she started as a staff geologist and has grown into her current role as a Principal Geologist and Assistant Director of Environmental Services.  She is also a Member, Board of Directors, Leighton and Associates.

In her current role, Brynn oversees the operations of the company’s largest environmental department in Irvine and assists all other offices with operational, technical, and staffing needs. She mentors her colleagues, is active in client development, and provides consulting services that give her clients true strategic decision making ability. Among her many professional attributes, Brynn is an expert in the environmental assessment of soil, soil gas, and groundwater and executing remedial actions.