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The Nature Conservancy | California Conservation Science The Nature Conservancy | California Conservation Science
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  • Our World
    • Terrestrial Systems
    • Freshwater Systems
    • Marine Systems
  • Our Approach
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    • Conservation Planning
    • Technology
  • Science in Action
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Our Team

Meet the scientists working in California

Scott Morrison

Interim Executive Director
TNC California

Sophie Parker

Interim Director of Science
Director of Science, Climate & Land Use

Julie Zimmerman

Director of Science
Freshwater

Jeanette Howard

Director of Science
Terrestrial

Jono R. Wilson

Director of Science
Marine

Matt Merrifield

Chief Technology Officer
Technology

Brynn Pewtherer

Associate Director
Conservation Programs & Science

Billy Abbott

Avian Field Science Manager
Freshwater

Caitlin Andrews

Bird Conservation Scientist
Marine

Katie Andrews

Systems Architect
Technology

Darcy Bradley

Senior Scientist
Marine

Lara Brenner

Island Ecologist
Terrestrial

Scott Butterfield

Lead Scientist
Terrestrial

Jennifer Carah

Senior Scientist
Freshwater

Brian Cohen

Spatial Data Scientist
Technology

Bryan DeAngelis

Lead Scientist
Marine

Kelly Easterday

Lead Conservation Technology Manager
Technology

Whitney Friedman

Senior Scientist
Marine

Greg Golet

Applied Scientist
Freshwater

Ben Grime

Ocean Recovery Scientist
Marine

Walter Heady

Senior Scientist
Freshwater/Stewardship

Nicholas Hendershot

Forest Ecologist
Climate & Land Use

Claire Hirashiki

Conservation Data Scientist

Elizabeth Hiroyasu

Dangermond Preserve Scientist
Terrestrial

Nick Holmes

Island Resilience Strategy Lead
Oceans

Kirk Klausmeyer

Director of Data Science
Technology

Sophia Leiker

Spatial Data Science Associate
Pt. Conception Institute

Sally Liu

Hydrologist
Freshwater

Nicholas Murphy

Groundwater Scientist
Freshwater

Erica Nielsen

Anthony LaFetra Point Conception Institute Research Fellow
Terrestrial

Sara Orofino

Ocean Scientist
Marine

Mark D. Reynolds

Director
Pt. Conception Institute

Nathaniel Rindlaub

Software Developer
Technology

Gabriel Runte

Applied Scientist
Terrestrial

Vienna Saccomanno

Ocean Science Associate
Marine

Carrie Schloss

Lead Scientist
Climate & Land Use

Falk Schuetzenmeister

Software Engineer
Technology

Sarah Skikne

Natural Climate Solutions Scientist
Climate & Land Use

Trish Smith

Senior Ecologist
Climate & Land Use

Bronwen Stanford

Lead River Scientist
Freshwater

Charlotte Stanley

Spatial Data Analyst
Technology

Daniel Swain

Climate Scientist
Terrestrial

Annie Taylor

Spatial Data Scientist
Technology

Maria Viteri

Randall Preserve Ecologist
Terrestrial

Piper Wallingford

Climate Resilience Scientist
Climate & Land Use

Megan Webb

Lead Mapping & Design Analyst
Technology

Alex Wegmann

Lead Scientist
Marine

Kristen Wilson

Lead Forest Scientist
Climate & Land Use

Alumni

John Gearen

Project Director
Economics
2016-current at TNC

Dick Cameron

Director of Science
Climate
2004-2022

John Randall

Lead Scientist
Terrestrial
2004-2023

Mary Gleason

Director of Science
Marine
2003-2022

Jinsu Elhance

Conservation Technology Associate
Technology
2022-2024

Tamaki Bieri

Project Director
Oceans
2019-2024

Brad Franklin

Applied Economist
MarketLab
2020-2024

John Knapp

California Islands Ecologist
Terrestrial
2013-2024

Sue Pollock

Product Innovation Manager

2007-2024

Ratnika Prasad

Associate Director MarketLab

2021-2023

Kristen Shive

Lead Scientist
Terrestrial
2021-2022

Serena Lomonico

Science Associate
Marine
2016-current at TNC

Lyall Bellquist

Fisheries Scientist
Marine
2017-2024

Rodd Kelsey

Associate Director, Water Program
Freshwater
2013-current at TNC

Eric Hallstein

Chief Economist
Economics
2012-2022

Sarah Heard

Director, MarketLab
Economics
2015-2024

Tanushree Biswas

Spatial Data Scientist
Technology
2016-current at TNC

Siobhan King

Project Director
Economics
2014-2019

Sasha Gennet

Senior Scientist
Terrestrial
2008-current at TNC

Melissa Rohde

Groundwater Scientist
Freshwater
2016-2022

Juli Matos

Biosecurity Science Specialist
Terrestrial
2016-2024

Edward Smith

Forest Ecologist
Terrestrial
1995-2024

David Marvin

Climate Change Ecologist
Terrestrial
2016-2018

Christina Boser

California Islands Ecologist
Terrestrial
2009-2020

Nature.org/California
Covers The Nature Conservancy’s work in California and around the globe.
@nature_org

Conservancy Talk
The Conservancy’s blog about all things conservation

Cool Green Science
The Conservancy’s science blog.
@nature_brains.

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