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WHO WE ARE

CWI accelerates climate and wildfire resilience — connecting science to policy to on-the-ground action to turn isolated efforts into durable solutions. As an independent organization, we can bridge boundaries and coordinate across disciplines in ways that traditional institutions can’t. We work directly with communities to understand what actually works on the ground, apply solutions across real landscapes, and turn what we learn into shared approaches. 

BOARD OF DIRECTORS

Ken Alex

President

Ken Alex is the director of Project Climate at the University of California at Berkeley Center for Law, Energy, & Environment, focusing on the most promising climate solutions and moving them more quickly to policy and scale. Projects include GrizzlyCorps and Climate Break. From 2011 to 2018, Ken was a Senior Policy Advisor to Governor Jerry Brown, the Director of the Governor’s Office of Planning and Research, and the Chair of the Strategic Growth Council, focusing on climate, energy, environment, and land use issues, where he initiated projects including CivicSpark and the Under2 Coalition. Ken is a graduate of Harvard Law School and holds a B.A. in political theory from the University of California at Santa Cruz.

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Ken Alex

President

Dr. Alex Hall is a professor in the Department of Atmospheric and Oceanic Sciences at UCLA and Director of the UCLA Center for Climate Science. His research is aimed at simulating, predicting, and understanding climate change impacts at scales relevant to decision-makers, especially in California and the Western U.S. Dr. Hall’s research is focused on improving predictions of future changes in the physical climate system. His research group at UCLA is currently studying the future climate of California and the Western U.S., especially dimensions relating to water and fire. At UCLA, Dr. Hall teaches climate-related courses at the undergraduate and graduate levels, and recently launched a new major in Climate Science.

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Lara Kueppers

Board Member

Lara Kueppers is a professor in the Energy and Resources group at UC Berkeley where she studies climate change effects on Rocky Mountain and Sierra Nevada forests. This includes field experiments that simulate future warmer conditions, as well as computer models of forest dynamics. She also is a scientist at Berkeley Lab, where she is a co-investigator of the Next Generation Ecosystem Experiments - Tropics project, leading studies of cyclone, fire and deforestation/reforestation effects in tropical forests.

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Rick Martinez

Board Member

Rick Martinez has over forty years in public safety service. Rising through the ranks he served in nearly every fire operational and administrative position to include twelve years as fire chief. During his tenure as fire chief, he guided the consolidation of multiple fire departments forming the Sacramento Metropolitan Fire District, the seventh largest local fire department in the State of California and established the first local government wildland helicopter program in northern California. Following his initial retirement from the fire service he served as the Chief of Emergency Services for the Sacramento City and County Office of Emergency Services and the Yolo County Office of Emergency Services. He later served as the Executive Director of the California Fire Foundation.

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John Battles

Vice President

Dr. John J. Battles is a professor of Forest Ecology at UC Berkeley. The goal of his research program is to know how and why forests change. His efforts are guided by the conviction that our understanding must apply to specific forests with all the attendant complexities and idiosyncrasies. Thus robust, quantitative field studies form the core of his approach. Answering these questions is more than just an interesting academic puzzle. As a result of human enterprise (e.g., pollution, land transformations, biotic additions and losses), many forest ecosystems will experience fundamentally novel challenges. In the face of this uncertainty, we need to understand the dynamics well enough to anticipate the likely direction and magnitude of responses.

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İlkay Altıntaş

Board Member

Dr. İlkay Altıntaş is a research scientist at the University of California San Diego, is the Chief Data Science Officer of the San Diego Supercomputer Center as well as a Founding Fellow of the Halıcıoğlu Data Science Institute. She is the Founding Director of the Workflows for Data Science (WorDS) Center of Excellence and the WIFIRE Lab.The WoRDS Center specializes in the development of methods, cyberinfrastructure, and workflows for computational data science and its translation to practical applications. The WIFIRE Lab is focused on artificial intelligence methods for an all-hazards knowledge cyberinfrastructure, becoming a management layer from the data collection to modeling efforts, and has achieved significant success in helping to manage wildfires.

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Scott Stephens

Board Member

Dr. Scott Stephens a professor at UC Berkeley Department of Environmental Science, Policy and Management. He is interested in the interactions of wildland fire and ecosystems. This includes how prehistoric fires once interacted with ecosystems, how current wildland fires are affecting ecosystems, and how future fires, management, and climate change will impact the ecosystems of western North America. Dr. Stephens is also interested in wildland fire and forest policy and how it can be improved to meet the challenges of the next decades, both in the US and internationally.

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Andrew Engler

Board Member

Andrew is an experienced executive with two decades working in insurtech.  As the founder and ceo of RockRose Risk and Kettle Re, he has helped build one of the largest wildfire parametric insurers on the West Coast. Before Kettle, he was the Head of Digital for Argo Group and started his career at Allstate Insurance.

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Jeff Meston

Treasurer

Jeff Meston currently serves as the Executive Director of the California Fire Chiefs Association (CFCA). He is also a third-generation firefighter and 45+ year veteran of the fire service, having served city, county, special district, private, Tribal, and statewide fire agencies, departments, and organizations. He holds an MPA and is a California Certified Fire Chief & National Fire Academy EFO. He has served in a number of roles, including President of the Marin County and Lake Tahoe Regional Fire Chiefs Associations, course developer and instructor for the National Fire Academy residency programs and CFSTES, Acting City Manager and Fire Chief for South Lake Tahoe, and Deputy Chief for CalOES Fire/Rescue. He has also served on the Board of Directors for FIRESCOPE and as the Executive Director for the CSFA.

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David Saah

Board Member

Dr. David Saah has been broadly trained as an environmental scientist with expertise in a number of areas including: landscape ecology, ecosystem ecology, hydrology, geomorphology, ecosystem modeling, natural hazard modeling, remote sensing, geographic information systems (GIS) and geospatial analysis. He has used these skills to conduct research primarily at the landscape level in a variety of systems. Dr. Saah has participated in research projects throughout the United States and internationally. His academic research uses integrated geospatial science for multi–scale mapping, monitoring and modeling of environmental spatial heterogeneity, particularly in riparian, savanna, and forest ecosystems. 

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Marybel Batjer

Board Member

Marybel Batjer has an extensive background in helping clients and organizations develop solutions and strategies that solve problems and make public policy work more effectively for the private and public sectors. Most recently, through California Strategies LLC, she has worked across sectors to assist with client needs, primarily in policy areas in water, energy, and climate change, including decarbonizing the economy, wildfire mitigation, and much more. Her positions have spanned across private and public sectors - from the Pentagon to the White House to state houses in two states. She has deep knowledge in highly regulated industries like gaming and has served as chief regulator of the California Public Utilities Commission (CPUC), overseeing privately held utilities in California. 

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Jonathan Parfrey

Board Member

Jonathan Parfrey is the founding director of Climate Resolve, an advocacy organization focusing on human resilience and adaptation to extreme weather events. Jonathan served as a commissioner at the Los Angeles Department of Water and Power (2008-2013). He is a founder and board member of CicLAvia, the popular street event, as well as a founder of the statewide Alliance of Regional Collaboratives for Climate Adaptation. He directed the GREEN LA Coalition (2007-2010) and served as the Los Angeles director of the Nobel Peace Prize-winning organization Physicians for Social Responsibility (1994 to 2007). He is a member of the LA28 Olympics and Paralympic Games Sustainability Working Group. He served on the Los Angeles County Blue Ribbon Commission on Climate Action and Fire-Safe Recovery. He coauthored two of Climate Resolve's studies on local wildfires: one concerning the 2018 Woolsey Fire and the other on the 2025 Eaton and Palisades Fires.

STAFF
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Marissa Christiansen

Executive Director

Marissa Christiansen is the Executive Director of CWI. A well-known water leader across Southern California, Marissa brings a wealth of experience tackling complex climate issues to sustain a safe, habitable future for all Californians. Most recently serving as Water Table Director for The Water Foundation, she led a national funder collaborative to align and pool more than $500 million in philanthropic investments for an equitable and sustainable water future in the US. Prior to The Water Foundation, Marissa has also served as President and Chief Executive Officer at Friends of the Los Angeles River (FOLAR) and held various roles in policy, advocacy, and development at XPRIZE, City of Redondo Beach, and the Los Angeles County Bicycle Coalition, among others. She currently sits on the Los Angeles Regional Water Quality Control Board, where she has served since 2021. She earned a Master of Public Policy degree in Urban Planning from the University of Southern California.

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David Lawlor

Deputy Director of Development

Dr. Alex Hall is a professor in the Department of Atmospheric and Oceanic Sciences at UCLA and Director of the UCLA Center for Climate Science. His research is aimed at simulating, predicting, and understanding climate change impacts at scales relevant to decision-makers, especially in California and the Western U.S. Dr. Hall’s research is focused on improving predictions of future changes in the physical climate system. His research group at UCLA is currently studying the future climate of California and the Western U.S., especially dimensions relating to water and fire. At UCLA, Dr. Hall teaches climate-related courses at the undergraduate and graduate levels, and recently launched a new major in Climate Science.

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Helen Lahoda

Operations & Finance Manager

Helen is the Operations and Finance Manager at CWI. Helen has always found fulfillment in strengthening the behind-the-scenes operations of nonprofits, and her role as the Operations and Finance Manager at CWI is no exception. She is dedicated to supporting the internal team, enhancing the infrastructure of the remote organization, and strives to keep CWI well-organized. Outside of work, Helen enjoys a variety of outdoor activities, such as hiking and paddle boarding. She loves exploring plant-based restaurants around Sacramento, finding the best drip coffee in the area, and occasionally dedicating her mornings to volunteering. Additionally, she enjoys planning (and executing) travel adventures and has recently enjoyed the challenge of learning to sew. 

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Megan Falkner

Intern

Megan graduated from the University of Oregon in 2022 with Bachelors of Science in Environmental Science and a minor in Biology. She spent 3 years working for the U.S Forest Service doing a variety of work including timber cruising, data collection, and special uses permitting. Currently, she is following her passion of making a difference in the world and within her community by working towards a role as an Environmental Scientist or Environmental Policy Planner.

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James Puerini

Deputy Director of Public Affairs

James Puerini is the Deputy Director of Public Affairs at the Climate & Wildfire Institute. James began his career as a wildland firefighter for a tribe in Oregon to help pay his college tuition. In this role, he travelled the U.S. fighting fire, conducting prescribed burns, and engaging on-the-ground in restoration fuel treatments. Witnessing the impact of catastrophic fire on local communities inspired James to move to Washington, D.C., where he supported the offices of U.S. Senator Jeff Merkley and U.S. Congresswoman Suzanne Bonamici. After that, James spent over five years at The Nature Conservancy working to facilitate partnerships with community-based organizations and leading global policy initiatives focused on supporting vulnerable communities and upholding human rights. James holds a Masters degree in Forestry from Yale University, where he started a wildland fire labor rights organization and led several fire-focused research projects. 

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Sabrina Goodman

Communications Manager

Sabrina comes from the dynamic world of public affairs, where she has helped shape communications strategies for high-profile clients across water, climate, and clean energy. Skilled in thought leadership, media relations, messaging, and more, she is excited to apply her proven track record of communication skills to address critical climate and wildfire issues at CWI.

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Cricket Baldwin

Program Coordinator

Cricket is a Program Coordinator at the Climate & Wildfire Institute. She comes to CWI with experience bridging the gap between fire agencies and communities through grassroots wildfire resilience programs. After evacuating from the backcountry due to a quickly encroaching wildfire, Cricket's attention turned to fire adaptation and community resilience, driven by a passion for finding science-backed solutions that incorporate local perspectives. Cricket holds a BA in International Affairs and a minor in GIS from The George Washington University, making her adept at translating complicated material into digestible visualizations and solutions. She lives in the Lake Tahoe Basin, spending her free time backpacking, paddling, trail running, or curling up in a hammock with her current read. 

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Sarah Caldwell

Deputy Director of
Collaborative Programs

Sarah is the Deputy Director of Collaborative Programs at the Climate & Wildfire Institute, bringing over a decade of experience in conservation and cross-sector collaboration. Sarah is originally from Reno, NV where she started her conservation career in the Tahoe Basin as a fisheries research technician at the University of Nevada. Her passion for the human dimensions of resource management led her to earn a graduate degree in Marine Resource Management from Oregon State University, followed by a dynamic early career spanning the coasts of Oregon, California, and Peru. Now back in northern Nevada, Sarah has shifted her focus to an issue close to home: wildfire resilience, bringing her expertise in program development, project management, and inclusive stakeholder engagement to CWI and its partnerships.

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Scott Scherbinski

Program Manager

Scott Scherbinski is a Program Manager for CWI. Scott comes to CWI with over a decade of conservation and project management experience working with the National Park Service and NGOs. He brings his dedication to collaborative partnerships and a passion for developing novel approaches to conservation. Originally from Illinois, Scott received a B.S. focused on Biology from Western Illinois University and has continued his education while studying Resource Communication at Stephen F Austin State University and GIS at Utah State University. Based in the Lake Tahoe Basin, Scott enjoys exploring the Sierra Nevada and Great Basin landscapes with his family through snowboarding, mountain biking, hiking, hunting and paddling.

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Haiwee Fredericks

ITEP Air Quality Intern

Springing from the combination of lived cultural knowledge and academic study, Haiwee Fredericks (Paiute, Shoshone, & Washoe) is committed to supporting efforts of environmental justice and Indigenous food sovereignty. Interwoven within these commitments is the implementation of beneficial fire. Haiwee cultivated her love of beneficial fire, specifically Indigenous-led fire, throughout her time double majoring in Sustainable Agriculture & Food Systems and Native American Studies at the University of California, Davis. She is thrilled to have CWI as a host during her time being a Summer 2026 Institute for Tribal Environmental Professionals (ITEP) Air Quality Intern.

ADVISORS & CONSULTANTS
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David Marvin

Advisor

Dr. David Marvin is a remote sensing scientist and forest ecologist working at the intersection of climate change, forest carbon, and wildfire. He co-founded and served as CEO of Salo Sciences, a climate technology company that pioneered new approaches to monitoring forest carbon and wildfire hazard from space. The company provided high-resolution analytics for mapping vegetation fuels and wildfire hazard, with a key focus on the Western US. After Salo Sciences was acquired by Planet Labs in 2023, Dr. Marvin now leads the company's Forests & Wildfire products. His team leverages Planet's unique satellite data to operate the world's first tree-scale global forest monitoring system, providing actionable insights for wildfire hazard assessment and sustainable forest management.

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Tarwin Stroh-Spijer

Consultant, User Experience

Over 25 years of building for the Internet; from online games and art to large scale Silicon Valley marketing systems.

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Brian Fennessey

Advisor

James Puerini is the Deputy Director of Public Affairs at the Climate & Wildfire Institute. James began his career as a wildland firefighter for a tribe in Oregon to help pay his college tuition. In this role, he travelled the U.S. fighting fire, conducting prescribed burns, and engaging on-the-ground in restoration fuel treatments. Witnessing the impact of catastrophic fire on local communities inspired James to move to Washington, D.C., where he supported the offices of U.S. Senator Jeff Merkley and U.S. Congresswoman Suzanne Bonamici. After that, James spent over five years at The Nature Conservancy working to facilitate partnerships with community-based organizations and leading global policy initiatives focused on supporting vulnerable communities and upholding human rights. James holds a Masters degree in Forestry from Yale University, where he started a wildland fire labor rights organization and led several fire-focused research projects. 

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Katy Tant

Consultant, Accounting

Katy is an Account Manager at Grace Dougan Consulting. Bringing over a decade of accounting experience, she is a detail-oriented and results-driven accountant with a strong background in financial reporting, tax compliance, and business operations. She is passionate about helping clients make informed financial decisions and stay ahead of regulatory requirements. When she's not crunching numbers, Katy enjoys exploring Asheville, NC's local art scene and volunteering with community organizations.

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Bethany Hannah

Senior Consultant

Bringing more than 25 years of expertise in wildland fire management, nonprofit leadership, and communications, Bethany Hannah started her career as a Hotshot (wildland firefighter) with the US Forest Service and Bureau of Land Management most recently worked as Deputy Director of Operations and interim executive director at the Climate and Wildfire Institute. She also founded the nonprofit AWE (Wildfire International). She is a sought-after consultant, strategist, and community engagement expert. Her work is characterized by compassionate, decisive leadership and a relentless drive to empower and support the wildland fire community. Her career spans sectors and continents, underscoring her versatility and deep commitment to addressing the complex challenges of wildland fire.

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