The name Green:

Green Geophysics grew from Green Engineering, started by Ellen Green

Pellerin & Johnston have decades of experience in near-surface, including environmental and hydrological, geophysics and a deep commitment to the environmental and sustainability.

The Green's function is so very important!

Louise Pellerin, PhD, 

president & owner 

​Green Geophysics, Inc. 

​a woman-owned,

small-business based in Berkeley, California, USA.​

click for Pellerin cv

Jeff Johnston,


Senior Geophysicist

click for Johnston cv