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Liz Hallinan
Executive Director & Co-Founder

Liz aims to harness the power of legislative, regulatory and business policies to promote sustainable agriculture and improve the lives of farm animals.

Liz's areas of expertise include animal behavior, psychology, administrative law, and regulatory policy.  Before co-founding Greenfield, Liz worked for a variety of public interest organizations, including the Natural Resources Defense Council, the Animal Legal Defense Fund, and Meyer, Glitzenstein, and Eubanks.

Liz received her undergraduate degree from Harvard University and has a law degree from New York University and a masters in science from Queen's University.


Ashley Allen Carr
Co-Founder & Board Member

Ashley is passionate about forging deeper, more meaningful connections between consumers and the foods we eat. 

Before co-founding The Greenfield Project, Ashley spent five years as an attorney for Baker Botts, LLP.   She has a strong background in legal and policy analysis and a deep interest in increasing the market share of sustainable agricultural products through consumer-facing initiatives.  Ashley has primary responsibility for Greenfield's business operations and development.   

Ashley received her undergraduate degree from Rice University and her law degree from Harvard Law School.



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Lisa Winebarger
Program Director of Policy

Lisa works to identify promising policy-based vehicles for improving industrial agriculture in the United States, with a view toward finding win-win solutions that benefit animals, consumers, farmers, and the environment.

Prior to joining Greenfield, Lisa worked for several public interest organizations, including the Alliance for Children’s Rights, the Humane Society of the United States, and Compassion Over Killing. Through these roles, Lisa gained extensive experience conducting legal and fact-based research aimed at understanding complex systems to find opportunities for advocacy.

Lisa received her undergraduate degree from the University of British Columbia and her law degree from the American University Washington College of Law.


Sara Bartel
Board Member

Sara brings a collaborative, organized, and long-term approach to administration and strategic thinking. Since 2007, she has supported dynamic nonprofits through periods of growth and management/portfolio shifts.

As an attorney at ChangeLab Solutions, Sara promotes healthy, sustainable communities by developing creative laws and policies with various levels of organizational, institutional, and government leaders. Her practice responds to the varied communication and collaboration needs of different groups of policymakers, practitioners, and community members. Sara previously worked at Morrison & Foerster, LLP, with an active pro bono practice in civil rights, housing stability, and clean energy. She has also worked with U.S. Department of Energy, Environmental Law Institute, Conservation Law Foundation, and National Sustainable Agriculture Coalition.

Sara received her bachelor of arts magna cum laude from Harvard College and has a law degree from Harvard Law School, where she worked for the Emmet Environmental Law & Policy Clinic and the Center for Health Law and Policy Intervention’s Food Law & Policy Clinic.