Executive Board

  • Carrie Crespino

    PRESIDENT

    Carrie (she/her) is thrilled to serve as President of the Columbia Policy Institute in her final year of university. As a history and sociology major on the pre-law track, she is interested in the social determinants of health and the policies that shape our lives. This summer, she took a much-needed break after completing a six-month study abroad program at the University of Cambridge, but has completed internships at CARE International and the United Nations in previous summers. When she is not at CPI, Carrie is somewhere on stage with Columbia Musical Theater Society or eating her way through New York City.

  • Nicole Xiao

    VICE PRESIDENT

    Nicole (she/her) is a senior at Columbia College studying Climate Systems Science. She is deeply interested in the nexus of public health, ecological politics, and climate research, and using empirical data to leverage effective environmental health policy. Outside of CPI, Nicole has worked at the Lamont-Doherty Earth Observatory’s Tree Ring Lab, analyzing dendroclimatic records to reconstruct paleoclimate temperature histories and support drought atlas initiatives, and has conducted an agricultural economics research fellowship with the USDA examining long-term trend outlooks of the pulses market to assess food security and agricultural sustainability. In her spare time, she can be found cycling around the city, tromping/running through the city’s many parks, and at any on-campus event that caters free food.

  • Noel Ullom

    SECRETARY

    Noel (she/her) is a junior at Barnard College studying Political Science with a minor in Theatre. She is a 2024 cohort member of the Laidlaw Scholars program, through which she conducted research on the queer liberation movement in Italy. On campus, she is a part of the Columbia Undergraduate Law Review and a speaker in the 2025 TEDx Barnard College event. Alongside these activities, she is also very involved with theater and film! She is currently directing the Columbia University Players Fall 2025 Mainstage, Hurricane Diane, and directed a short film produced by Studio 292. In her spare time, she loves running, seeing On and Off-Broadway shows, and reading!

  • Ava Teasdale

    TREASURER

    Ava (she/her) is a senior at Columbia College studying Sustainable Development with minors in French and History. She is interested in decarbonization and is interning for a battery storage development firm. Ava is also interested in legal and policy barriers to the clean energy transition and spent last fall interning at Columbia Law School exploring this topic. Outside of school and work, Ava loves running outside and drinking copius amounts of coffee.

  • Emily Koepp

    OUTREACH DIRECTOR

    Emily (she/her) is a senior in Columbia College studying Statistics and Political Science. Passionate about the ethical development and implementation of technology, Emily is interested in advancing responsible technology policy and has interned in Mastercard's ESG unit to help to drive financial inclusion through technological integration. Outside of CPI, Emily enjoys reading, running, and doomscrolling.

Journal Team

  • Rachel Warner

    JOURNAL EDITOR

    Rachel (she/her) is a junior in Columbia College studying History and Environmental Biology. She is interested in human-nature interactions and how they have evolved over time, particulary regarding land use, agricultural and forest policy, and Earth jurisprudence. Outside of CPI, she is the Co-Program Manager for Sprout Up, Founder and President of People of the Environment, and conducts forest ecology research.

  • Kiran Toh

    DEPUTY JOURNAL EDITOR

    Kiran Toh is a senior at Columbia College studying Economics-Political Science. Kiran is interested in economic policy and international affairs and has worked as the press secretary for his Member of Congress. This summer, Kiran worked at a lobbying firm in New York. Kiran is from Guam and likes to travel, try new restaurants, and see different shows and concerts in the City.

Center Directors

  • Aliyyah Hamid

    DEMOCRATIC ACCESS CENTER DIRECTOR

    Aliyyah is a sophomore at Barnard College studying philosophy, comparative literature, and statistics. She is fascinated with questions of free speech, civic literacy, nonviolence, and passionate about abolishing unjust surveillance systems. Outside of CPI, she has interned at the international Peace Begins at Home Summit and is a legislative fellow with Columbia University Democrats.

  • Hagen Feeney

    ECONOMIC DEVELOPMENT CENTER DIRECTOR

    Hagen (he/him) is a senior at Columbia College studying Political Science and History, with specializations in political theory and colonial history. He has worked for the Southern District of New York and African Communities Together over the past two summers. Outside of CPI, Hagen is involved with the Housing Equity Project, Chowdah Sketch Comedy, and the Meade Anderson Undergraduate Philosophy Forum.

  • Shanthi Ashok

    EDUCATION CENTER DIRECTOR

    Shanthi (she/her) is a junior at Barnard studying Economics-Statistics and Human Rights. She is passionate about equitable and accessible education and carries a deep interest in foreign policy, macroeconomics, and law. Beyond CPI, Shanthi is a Peer Career Advisor for Beyond Barnard, an audio journalist for Columbia Spectator, and a part of the Barnard activities council. In her free time, she enjoys playing volleyball and trying new foods in the city.

  • Trisha Sharan

    CO-ENERGY & ENVIRONMENT CENTER DIRECTOR

    Trisha (she/her) is a junior in Columbia College studying Climate System Science with a minor in Statistics. She is most passionate about oceanographic research and policy, hoping to bring forth powerful, community-centric marine conservation grounded in science. This summer, she interned at Scripps Institution of Oceanography, researching drivers of toothed whale presence in the Antarctic. Outside of CPI, Trisha co-founded an environmental humanities club, People of the Environment, is the Event Committee Co-Chair for EcoReps, and does paleoceanography research at Lamont. When she has time, you can find her enjoying one of her many grandma-esque hobbies (puzzling, reading, gardening, cooking, etc.).

  • Nancy Tao

    CO-ENERGY & ENVIRONMENT CENTER DIRECTOR

    Nancy (she/her) is a junior at Barnard studying political science and history. Interested in international relations, security issues, and climate policy, she is dedicated to bridging the gap between climate, race, and education policy and hopes to amplify underrepresented voices in climate advocacy. This past summer, Nancy interned at Our Children’s Trust, a climate law firm advancing youth-led legal action on both the state and federal levels. Outside of CPI, she is on the executive board of Columbia’s Asian American Alliance, writes for Labor of Change, and desperately hopes to get involved with a dance group on campus before graduating. In her free time, she enjoys museum hopping, cafe hunting, and reading mystery novels.

  • Aziza Ben Abdallah

    FOREIGN POLICY CENTER DIRECTOR

    Aziza (she/her) is a senior in the Sciences Po and Columbia Dual Degree, with majors in International Politics and Human Rights. This summer she worked for Rights CoLab, a non-profit working to strengthen civil society and leverage markets to fortify human rights, and the Interfaith Center on Corporate Responsibility, which engages with companies and shareholders to push for greater alignment on relevant ESG and social issues.

  • Charlotte Bruderly

    HEALTHCARE CENTER DIRECTOR

    Charlotte (she/her) is a sophomore at Columbia College studying Medical Humanities on a pre-med track. She is interested in health, policy, and the manners in which health and policy intersect. This summer, she was a Health Policy and Advocacy intern at Weill Cornell Medicine's Department of Pediatrics. Outside of CPI, she is involved with groups including The Columbia University Journal of Global Health and Club Tennis. In her free time, she enjoys reading and playing board games.

  • Theo Martien

    CO-HUMAN RIGHTS CENTER DIRECTOR

    Theo (he/they) is a junior studying Sociology and Creative Writing. As a Mellon Mays Undergraduate Fellow, they research the evolving strategies transgender rights movement. Theo is also a research assistant for Incite Institute’s Movement Against Mass Incarcerations Lab and is involved in the Housing Equity Project and Quarto Literary Magazine. He enjoys trying new coffee shops, wandering about, and wearing the color green.

  • Arabelle Park

    CO-HUMAN RIGHTS CENTER DIRECTOR

    Arabelle (she/her) is a sophomore at Barnard studying Political Science and Computer Science. She is interested in the intersection of social change, research, and data. This past summer, she worked on technology policy, including topics like surveillance, misinformation, and AI regulation. She enjoys running down Riverside and watching rom-coms.

  • Yoav Rafalin

    TECHNOLOGY CENTER DIRECTOR

    Yoav (he/him) is a junior at the Columbia and Jewish Theological Seminary dual degree, studying Philosophy, Computer Science, and Jewish Thought. He is passionate about making sure technology has a positive impact on society and using his technical skills for socially positive purposes. This summer, he worked as a security researcher at Certora, auditing code to ensure the safety of multi-billion dollar protocols on the blockchain. Previously, he also interned as a software engineer at Robust Intelligence, validate corporate machine learning algorithms against bias and misuse. Outside of CPI, Yoav is an Interviews Editor at the Gadfly philosophy magazine, and he enjoys studying languages, checking his always-present CO2 monitor, and learning new recipes.