Mary S. Booth

Mary S. Booth, PhD


Dr. Booth is a nationally-recognized advocate known for producing high-quality, data-driven arguments. An ecosystem scientist by training, she received her doctoral degree in Ecology at Utah State University, focusing on biogeochemistry and plant ecophysiology. She completed postdoctoral fellowships at the Ecosystems Center of the Woods Hole Biological Laboratory and the Earth Institute at Columbia University. Mary’s approach to advocacy was formed at Environmental Working Group, where she served as a Senior Scientist working on water quality. She currently directs the PFPI’s science and advocacy work on greenhouse gas, air pollutant, and forest impacts of biomass energy and has provided science and policy support to hundreds of activists, researchers, and policy makers across the US and EU.

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Suzanne Theberge

Associate Director

Suzanne is a public health professional with 20 years of experience in nonprofit project planning and management, with a focus on pediatric and women’s health.  She currently supports PFPI with administration, organizational infrastructure, and grants management.  Previously, Suzanne worked on federal and state policy programs focused on improving access to care and services.  She holds an MPH from the Mailman School of Public Health, Columbia University.

Laura Haight

U.S. Policy Director

Laura Haight has extensive experience working on environmental, energy, and health care policy, and has been instrumental in passage of dozens of state and local laws to promote clean energy, reduce pesticide use, increase recycling, prevent pollution, and clean up toxic waste sites. Starting her career as a community organizer with the Sierra Club Radioactive Waste Campaign, she has held senior level positions at the Hudson River Sloop Clearwater, Environmental Advocates of New York, and the New York Public Interest Research Group. Prior to joining the staff of PFPI, Haight served as Vice President for Public Policy at the New York State Association of Health Care Providers. She brings to PFPI a wealth of experience in environmental advocacy, policy analysis, campaign coordination and strategic communications. Haight received a Bachelor’s degree in American history and literature from Harvard University and a Master of Science degree in environmental studies from the Bard Graduate School of Environmental Studies.  Haight can be reached at lhaight at

Jacob Carter, PhD

Staff Scientist

Jacob Carter is a staff scientist for the Partnership for Policy Integrity. In this role, he investigates the linkages between bioenergy, science-informed forest policy, and climate change. Prior to working for PFPI, Dr. Carter was the research director for the Center for Science and Democracy at the Union of Concerned Scientists. His work at UCS established him as an internationally recognized scholar and advocate for strong scientific integrity and science-informed processes in government decision making. Dr. Carter also previously held positions with the Environmental Protection Agency and the White House’s Office of Science and Technology Policy and worked on evidence-based policies related to the Superfund program, pollinator health, and President Obama’s Climate Action Plan. Dr. Carter holds a Ph.D. in ecology and evolutionary biology from the University of Kansas, a M.S. in biology from Kansas State University, and a B.S. in biology from the University of Central Arkansas.


Sam L. Davis, PhD

Staff Scientist

Sam is a first-generation college graduate and ecologist with deep interests in forests, climate, and equitable science communications. Sam comes to PFPI after nearly eight years of leading work on bioenergy, environmental justice, and forest and climate issues at Dogwood Alliance. Sam received a Ph.D. in Environmental Science from Wright State University specializing in forest floor ecology, invasive species, and climate change. Sam is based in Dayton, Ohio, and on weekends, you’ll find them enjoying long-distance cycling, art and graphic design, writing, coding, and dog sports.

Jay McCaffrey

James McCaffrey

New England Legislative Director

Jay leads PFPI’s activities in the MA legislature to remove biomass from the Renewable Energy Portfolio Standard and the Alternative Energy Portfolio Standard. He also monitors legislative activities and the Regional Greenhouse Gas Initiative across the New England states. Prior to joining PFPI, McCaffrey was Chapter Director of the MA Sierra Club, where he was involved in the campaign to press the Patrick Administration to regulate carbon emissions from biomass power plants.


Katy Eiseman

Program Manager

Kathryn Eiseman focuses on Massachusetts regulatory policy for PFPI.  Eiseman has served as a consultant for a variety of organizations including the Hilltown Land Trust and the Massachusetts Association of Conservation Commissions, and she led the formation of the Pipe Line Awareness Network for the Northeast when the region was threatened by a proposed major high pressure natural gas pipeline. Eiseman holds a J.D. from Georgetown University Law Center and a B.S. in Environmental Science from UMass, Amherst.


Karl Wagner

EU Campaign Director

Karl is a biologist by training and a campaigner by profession. He is a graduate of the University in Vienna, where he got his Master of Natural Science in limnology (freshwater ecology). Karl has managed national, European and global campaigns (e.g. WWF’s Living Planet Campaign) for nearly 40 years, mostly for WWF International. He has run the WWF’s Fisheries Campaign, when the CFP (Common Fisheries Policy) was reformed in 2001/2002 and the Detox Campaign 2002-2006 (for ensuring a strong chemicals legislation through REACH). Karl has designed, managed, supervised many EU campaigns. Between 2010 and 2015 he served as Director for External Relations for the Club of Rome International in CH.


Zoltan Kun

Forest and Conservation Advisor

Zoltan is a specialist in forest conservation whose work focuses on sustainable forest management, forest protection, climate change and protected area planning and management. He got his MSc degree as landscape architect at Corvinus University specializing in landscape planning and protection and a master’s degree in soil sciences and climate change at Pannon University. Zoltan is a member of IUCN’s World Commission on Protected Areas and Commission on Ecosystem Management, a member of the IUCN’s Primary Forest Task Team and the Rewilding Task Force. He is a research fellow of the Wildland Research Institute and works with Griffith University and Woods Hole Research Centre investigating the role of temperate and boreal forests in climate change mitigation.

Partnership for Policy Integrity