Captain Ian MacPherson is an active-duty Infantry officer and U.S. Army General Wayne A. Downing Scholar hosted through the United States Military Academy's Combating Terrorism Center. Over the past three years, he commanded multiple companies in the 75th Ranger Regiment. Ian has operational experience in Europe, the Middle East, and Africa.

Ethan is an incoming Scholars in the Nation's Service Fellow (SINSI). He graduated from Princeton in 2024 summa cum laude with a degree in Philosophy with minors in the History and Practice of Diplomacy and Environmental Studies. A previous SINSI intern while at Princeton, Ethan served in the Office of Space Commerce within the Department of Commerce and worked on satellite and space debris and tracking, international engagement, and mission authorization issues. Ethan has previously worked on issues relating to weapons of mass destruction and security studies as well, and plans on continuing to work in space security upon his return to government. He has published papers on science policy, including a piece he co-authored with Professor Christopher Chyba for War on the Rocks, advising the Biden administration to include the President’s Science Advisor on the National Security Council’s Principals Committee. Ethan is a member of the Space Generation Advisory Council, a nonprofit, nongovernmental organization which enables young civil servants and professionals to shape space policy. As an undergraduate at Princeton, he was the director for the Center for International Security Studies simulations team, and has run multiple successful wargames and tabletop exercises, including creating a simulation focused on space security.

Sreya has completed a Post Graduate Diploma in Advanced Research Methods and a Bachelor’s in Economics from Ashoka University. After graduating in 2021, she worked as a research assistant at the Centre for Development Economics (Delhi School of Economics) studying the intersection of caste and allocation of public goods in India. Subsequently, she transitioned to working as a Research Associate at the Energy Policy Institute at the University of Chicago (EPIC) India, where she collaborated closely with The Government of National Capital Territory of Delhi to conceptualise and implement vehicular pollution and congestion abatement policies. In the summer, she began work on developing a website to track eligibilities and budget allocations of relevant social policies being implemented across Indian states to improve transparency in the study of public policy. In the future, she envisions working at the intersection of research and policy implementation. She aspires to work with multi-national development institutions to lead policy at the grassroots level, strengthen local institutions, and empower communities to improve resource allocation.

Bryan is a from Mauritius and worked as a Senior Research Associate for the International Republican Institute’s (IRI) Center for Insights in Survey Research (CISR). At IRI, Bryan worked closely with program teams in emerging democracies to conduct public opinion polls and prepare polling reports for stakeholders. Bryan is also part of YOUNGO where he is collaborating with other young activists from around the world to make the voices of the youth heard in the fight against climate change. He has most recently used his proficiency in French to help with the French translation of the Global Youth Statement which was presented at COP28. Bryan received his B.A. in Political Science and Quantitative Economics at Lycoming College. After Princeton SPIA, Bryan hopes to work for international development institutions to contribute toward the implementation of economic policies that will help households in countries that are vulnerable to the impact of climate change. In his free time, Bryan enjoys working out and trying out new recipes.

Originally from Virginia, Patrick spent time growing up in the Dominican Republic and Panama. While studying political science and Arabic at the University of Notre Dame, he interned with American Near East Refugee Aid in Jerusalem and the West Bank and with the U.S. Institute of Peace’s Inclusive Peace Processes Team in Washington, D.C. Following graduation, Patrick worked with the International Organization for Migration in northern Morocco, before joining the USAID Bureau for Humanitarian Assistance and working on the Levant regional team in Washington and the Disaster Assistance Response Team in Kyiv, Ukraine. At Princeton SPIA, he hopes to deepen his expertise on policymaking across the humanitarian-development-peace nexus and further develop policymaking skills for international emergencies and diplomacy. Patrick enjoys hiking, trying new recipes, and learning languages.