Serving Our Clients During COVID-19

A message from our President and CEO, Leslie Moulton-Post, about our field safety measures, approach to using technology to help our clients, and how we are taking care of our employee-owners.

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December 30, 2016

ESA Names Three New Vice Presidents: Terri Avila, Dana McGowan, RPA and Elizabeth Andrews, PE Environmental Science Associates (ESA), a leading environmental consulting firm, is pleased to name three new vice presidents: Terri Avila, Community Development Practice Leader; Dana McGowan, RPA, Cultural Resources Practice Leader; and Elizabeth (Betty) Andrews, PE, Senior Program Manager. Read More »
November 11, 2016

Swen Swenson Joins ESA as Corporate Controller Swen brings over 20 years of experience in financial management with professional services. He has experience in all aspects of the financial operations, including resource allocation, monthly reporting, forecasting, collections, accounts receivable, accounts payable and management of the finance department. Read More »
September 16, 2016

Jill Sunahara Joins ESA’s Northern California Team as a Senior Permitting Specialist “With a practical understanding of biological and water resources, she partners with clients to get projects in the ground—from planning and environmental compliance to permitting and monitoring.” Read More »
August 23, 2016

ESA PCR Moves Santa Monica Office

ESA PCR, a premier environmental consulting firm, has moved its Santa Monica office from 201 Santa Monica Blvd, Suite 500 to 233 Wilshire Boulevard, Suite 150, a few blocks away. Nearly 20 environmental planners, CEQA/NEPA specialists, air quality analysts, climate change adaptation planners, historical archaeologists, and cultural resources specialists will occupy the new space.

“This move enables us to continue our 42-year legacy of serving local clients with a team of on-the-ground experts,” said Bobbette Biddulph, Southern California Regional Director.

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June 8, 2016

New “Blue Carbon” Study Supports Tampa Bay Habitat Restoration and Resiliency Planning

Environmental Science Associates (ESA), a leading environmental consulting firm, recently completed a landmark study reinforcing the importance of restoring coastal habitats in Tampa Bay and around the nation to buffer the effects of rising seas and a changing climate.

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June 6, 2016

Dr. Colin Thorne Honored by Royal Geographical Society

ESA’s Senior River Scientist, Dr. Colin Thorne is being honored by the Royal Geographical Society with the prestigious Back Award.

An expert in rivers, Colin has been recognized for his outstanding contribution in helping to shape national and international policy on rivers and flood management.

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June 1, 2016

Chris Sequeira Joins ESA’s Growing Team of Aviation Experts Chris will support our aviation clients nationally in the areas of noise, air quality, land use compatibility, and public outreach from his base in New York City. Read More »
May 11, 2016

ESA Welcomes Albert Cuisinot as Chief Financial Officer “Albert’s impressive track record of maximizing the financial performance of A/E/C companies makes him a great fit for his new role within ESA,” Read More »
April 19, 2016

ESA Combines Irvine Offices

Environmental Science Associates (ESA), a leading environmental consulting firm, has consolidated its Irvine office with recently acquired ESA PCR from 17744 Skypark Circle to 2121 Alton Parkway in Irvine, California.

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April 5, 2016

ESA Announces New President and CEO Leslie Moulton-Post Environmental Science Associates (ESA), a leading environmental consulting firm, is pleased to announce that Leslie Moulton-Post has been named ESA’s Chief Executive Officer and President effective April 1, 2016. Read More »
March 17, 2016

SF Estuary Partnership Features the Sonoma Creek Marsh Enhancement The Sonoma Creek Marsh Enhancement Project will reduce mosquito production and improve habitat conditions for special status species for roughly 260 acres of centennial marsh located near the mouth of Sonoma Creek and San Pablo Bay in Sonoma County California. Read More »
March 11, 2016

PCR Services Corporation Joins ESA The merger supports ESA’s strategy to deepen our technical expertise and broadens our reach as we continue to meet growing client demands throughout Southern California. Read More »
March 8, 2016

Barbra Calantas Joins ESA’s Southern California Team A leader in the fields of wildlife biology, permit strategy, endangered species act consultation and CEQA/NEPA compliance, Barbra joins our growing Southern California team of more than 20 scientists specializing in biological resources, resources management, wetlands studies, habitat restoration, permitting, and monitoring. Read More »
February 2, 2016

ESA’s Tampa Office Moves To Accommodate Growing Team

ESA's Tampa office has moved to Meridian Three at 4200 West Cypress Street, Suite 450 in Tampa, Florida.

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November 30, 2015

ESA Appoints Leslie Moulton-Post President-Elect Environmental Science Associates (ESA), a leading environmental consulting firm, is pleased to announce that Leslie Moulton-Post has been appointed ESA’s next Chief Executive Officer and President. Leslie will take over the position from President Gary Oates in the spring of 2016 following a planned transition period. Read More »
November 20, 2015

Terri (Vitar) Avila Named ESA Community Development Practice Leader Terri brings over 30 years of experience in environmental consulting and natural resource planning. With a diverse background that includes urban and greenfield development, natural resources management, transportation, and water, she approaches her work from a multi-faceted perspective, demonstrating a unique ability to reconcile the competing demands of development and natural resources management. Read More »
November 20, 2015

Alisa Moore Promoted to Bay Area Water Director “Alisa is integral to the measured growth and success of our water and energy practice, and her career has been focused on the integration of water, energy, and the environment. In this new role, she will continue to collaborate with clients as a trusted strategic advisor to meet the increasing environmental challenges of today and tomorrow.” Read More »
November 18, 2015

Dan Dameron Named ESA’s Northern California Community Development Director Dan brings more 30 years of experience working on large-scale, complex, multidisciplinary planning and development projects. His leadership and expertise has been integral to growing ESA’s community development practice and advancing our community and environmental planning work. Read More »
November 17, 2015

Pier E3 of Old Bay Bridge Detonated Saturday

Environmental Science Associates (ESA), a leading environmental consulting firm, participated in Saturday’s carefully executed implosion of Pier E3, the largest of the piers on the San Francisco-Oakland Bay Bridge’s Old East Span. Pier E3 contains the largest caisson used to support the cantilevered section of the Old East Span, and is one of about 20 piers that will need to be removed as part of the demolition process.

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October 28, 2015

RPI’s Team Selected to Conduct Best Available Science Reviews for RESTORE Projects
The Research Planning, Inc.(RPI) Team has been selected by the U.S. Department of the Treasury’s Office of Gulf Coast Restoration to manage and conduct Best Available Science reviews for RESTORE Act Direct Component project applications. Read More »
September 23, 2015

Dana McGowan Joins ESA as Cultural Resources Practice Leader From our Sacramento office, Dana will lead the firm’s Cultural Resources Practice, which is comprised of a team of 60 professionals including prehistoric and historical archaeologists, architectural historians, preservation planners, maritime archaeologists, and curation specialists. Read More »
September 21, 2015

State of the Estuary Honors San Francisco Bay Living Shorelines Project
On Friday, September 18, six outstanding projects around the San Francisco Bay and Delta received recognition for their achievements at the 12th Biennial State of the San Francisco Estuary Conference. Read More »
August 8, 2015

ESA Opens New Office in Irvine, California

Environmental Science Associates (ESA), a leading environmental consulting firm, is pleased to announce the opening of a new office in Irvine, California on August 3, 2015. The office is located at 17744 Skypark Circle, Suite 200 in Irvine, California, 92614 and will help service our growing Southern California clients in Orange County and beyond. Read More »

August 6, 2015

Michael Houlihan, AICP Joins ESA as Principal Managing Associate “With more than three decades of experience in Orange County, Michael’s established relationships with agencies, districts, and regulators will strategically build upon ESA’s successful legacy of providing premier environmental planning and design solutions to our Southern California clients.” Read More »
July 17, 2015

ESA’s Brian Boxer, AICP Named Northern California Regional Director Brian has dedicated his career to strategically addressing technically and politically complex issues of resource allocation, balancing the demands of the built and natural environment by delivering integrating solutions for environmental compliance and documentation, community planning, and project development. Read More »
July 6, 2015

New Definition of “Waters of the U.S.” Effective August 28, 2015

On Friday, October 9, 2015 the U.S. Court of Appeals for the 6th Circuit granted a nationwide stay against the so-called Waters of the United States rule, which is intended to clarify which bodies of water are covered by the Clean Water Act. 

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