ESA is a 100% employee-owned environmental consulting firm delivering work that matters.
Senior Program Manager
"Being able to positively impact people's lives, allowing them to be their absolute best personally and professionally" keeps Nathan coming to work at ESA every day.
Senior Airport Planner
Whether it’s at work as an airport planner or at home coordinating her next trip, Autumn specializes in all aspects of aviation.
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ESA Biologist Erika Walther Receives Salt Marsh Harvest Mouse Permits
One of the smallest, and arguably cutest, San Francisco Bay endemic species is the salt marsh harvest mouse (Reithrodontomys raviventris). These mice are listed as a federal- and state-endangered species due to habitat loss, but ESA’s biologists are hard at work to restore and preserve these areas. Enter Erika Walther. READ MORE »
Hydro-Carving Approach a Success at Balm-Boyette Stallion Creek Restoration
This restoration project seemed fairly straightforward at first blush: grade the pits, plant native species, and restore the freshwater wetland and upland communities back to the way they were before the area was mined. Then Tom reviewed a historic aerial of the site. “There was a creek there that was breached by the mining activities, which resulted in the creek being cut off from the natural flow patterns in the region,” Tom Ries explains. “As soon as I saw that, I thought, ‘well, we have to restore that creek.’” READ MORE »