Description
From projects and permits to clients and careers, learn how environmental consulting really works.
From projects and permits to clients and careers, learn how environmental consulting really works.
Sacramento
2110 K Street, Suite 11
Sacramento, CA 95816
916.244.6978
San Francisco Bay Area
1342 Creekside Drive
Walnut Creek, CA 94596
925.855.5500
San Diego
125 S. Highway 101, Suite 17
Solana Beach, CA 92075
831.239.1645
Petaluma
755 Baywood Drive, Suite 200
Petaluma, CA 94954
Pleasanton
3958 Valley Avenue, Suite H
Pleasanton, CA 94566
San Jose
99 South Almaden Boulevard, Suite 600
San Jose, CA 95113

Professor of Biology, Sacramento City College & Wildlife Biologist, Wyatt Biological Consulting
Dave Wyatt is a wildlife biologist and educator with more than two decades of experience teaching field ecology, environmental regulations, and conservation biology. He coordinates Sacramento City College’s Field Ecology Program and Career Certificate and specializes in wildlife research focused on bats, ringtails, and entomology. Dave brings a rare combination of academic leadership and applied consulting experience, supporting the development of field-ready environmental professionals.

Owner, Wildlife Consulting & Photography
Joe DiDonato is an independent wildlife consultant with extensive experience in endangered species compliance, habitat restoration, and conservation banking throughout the San Francisco Bay Area. He has guided public and private landowners through permitting, mitigation, and conservation easement development, and brings strong expertise in applied land management, habitat assessment and regulatory processes.

Senior Biologist & Owner, Livewire Ecological Consulting LLC
Kat Calderala is a field biologist with over 15 years of experience working across California on special-status species in diverse habitats. Her work includes habitat assessments, technical reporting, and a wide range of species surveys, with expertise spanning birds, amphibians, reptiles, mammals, fish, and vernal pool invertebrates. Kat brings deep, field-tested knowledge of survey methods, equipment, and regulatory compliance to her advisory role with SIERRA.
