Experts for the Media


Journalists can search the list below broken down by general topics and/or more refined focus areas to find an expert. If you need more information about a faculty member for a news piece, please email our Office of Communications and Public Affairs at [email protected].

  • Zach Parolin is a post-doctoral research scientist at the Center on Poverty & Social Policy at Columbia University. His research focuses on the measurement and determinants of poverty and social inequality in high-income countries.

    Read Zach Parolin's full bio here.

  • Walter Baethgen is a director of research at the International Research Institute for Climate and Society. He works to improve climate risk assessment and risk management in agriculture, water resources, and natural ecosystems. Baethgen co-leads a Columbia World Project called Adapting Agriculture to Climate Today, For Tomorrow. 

    Read Walter Baethgen's full bio here.


  • Wafaa El-Sadr, MD, MPH, MPA is a University Professor of Epidemiology and Medicine at Columbia University, the director of ICAP at Columbia University, and director of the Global Health Initiative at the Mailman School of Public Health. Dr. El-Sadr is a prominent researcher and has led numerous epidemiological, clinical, behavioral, and implementation science research studies that have furthered the understanding of the prevention and management of HIV, TB, and non-communicable diseases.

    Read Wafaa El-Sadr's full bio here.


  • W. Ian Lipkin is the John Snow Professor of Epidemiology, professor of neurology and pathology and cell biology and director of the Center for Infection and Immunity. He is internationally recognized as an authority on the use of molecular methods for pathogen discovery. Dr. Lipkin has over 30 years of experience in diagnostics, microbial discovery and outbreak response.

    Read W. Ian Lipkin's full bio here. 

  • Thomas Kent teaches about the world information war and international journalism at the Harriman Institute. His focus areas are journalism, disinformation, propaganda, Russian affairs and international broadcasting.

    Read Thomas Kent's full bio here.

  • Steven Cohen, is a professor at the School of International and Public Affairs who serves as a senior advisor for The Earth Institute. A former EPA official, he has long studied how urban communities can make themselves more resilient to disasters and longer-term challenges. 

    Read Steven Cohen's full bio here.

  • Stephen Sestanovich joined the faculty of Columbia's School of International and Public Affairs in the fall of 2001 as the Kathryn and Shelby Cullom Davis Professor of International Diplomacy. He is also the director of the International Fellows Program and the author, most recently, of Maximalist: America in the World from Truman to Obama.

    Read Stephen Sestanovich's full bio here.

  • Stephen Morse is a professor of epidemiology at the Columbia University Irving Medical Center and the director of the Infectious Disease Epidemiology Certificate Program. Dr. Morse's interests focus on epidemiology and risk assessment of infectious diseases (particularly emerging infections, including influenza), and improving disease early warning systems. He is also affiliated with the Mailman School of Public Health.

    Read Stephen Morse's full bio here. 

  • Stephen Ferrara, associate dean of clinical affairs at the School of Nursing, oversees the ColumbiaDoctors Primary Care Nurse Practitioner Group. His focus areas are Obamacare, the Affordable Care Act, vaccine acceptance among anti-vaxers and nurse practitioners in health care.

    Read more about Stephen Ferrara here.

  • Stephen Biddle is Professor of International and Public Affairs at Columbia University, a member of the Arnold A. Saltzman Institute of War and Peace Studies, and Adjunct Senior Fellow for Defense Policy at the Council on Foreign Relations. Biddle lectures regularly at the U.S. Army War College and other military schools, and has presented testimony before congressional committees on issues relating to the wars in Iraq, Afghanistan, and Syria; force planning; conventional net assessment; and European arms control.

    Read Stephen Biddle's full bio here.


  • Sonya Douglass Horsford is Associate Professor of Education Leadership in the Department of Organization & Leadership; Founding Director of the Black Education Research Collective (BERC); and Co-Director of the Urban Education Leaders Program (UELP), at Teachers College, Columbia University. Horsford examines the problem of racial inequality in K-12 schools and how race is conceptualized and understood by leaders for equity and social justice in the U.S.

    Read Sonya Douglass Horsford's full bio here.

  • Simon Mason is a climate scientist at the International Research Institute for Climate and Society and The Earth Institute whose research focus is seasonal climate forecasting. He works closely with the World Meteorological Organization to promote the definition and adoption of forecasting and verification standards.

    Read Simon Mason's full bio here.

  • Sharyn O'Halloran is the George Blumenthal Professor of Political Economy and Professor of International and Public Affairs. A political scientist and economist by training, O’Halloran has written extensively on issues related to the political economy of international trade and finance, regulation and institutional reform, economic growth and democratic transitions, and the political representation of minorities. 

    Read Sharyn O'Halloran's full bio here.

  • Sara Abiola is an assistant professor of health policy and management. Her research focuses on the relationship between public policy and population health with an emphasis on food law and noncommunicable diseases, overweight, and obesity among children, adolescents, and young adults.  

    Read Sara Abiola's full bio here.

  • Ruth DeFries is a University Professor and a professor of ecology and sustainable development. She uses images from satellites and field surveys to examine how the world’s demands for food and other resources are changing land use throughout the tropics. Her research quantifies how these land use changes affect climate, biodiversity and other ecosystem services, as well as human development.

    Read Ruth DeFries's full bio here.



  • Robin Bell is a professor of marine geology and geophysics at the Lamont-Doherty Earth Observatory. As the Palisades Geophysical Institute Lamont Research Professor, Bell directs research programs in Antarctica and Greenland, and focuses on developing new technologies to monitor our rapidly changing planet. Bell is affiliated with The Earth Institute.

    Read Robin Bell's full bio here.

  • Robert Y. Shapiro is a professor and former chair of the Department of Political Science at Columbia University. He specializes in American politics with research and teaching interests in public opinion, policymaking, political leadership, the mass media, and applications of statistical methods. 

    Read Robert Y. Shapiro's full bio here.

  • Rob Hartley is an assistant professor of social work and is a research scientist at the Center on Poverty and Social Policy. He is an applied micro-economist working in the fields of labor and public economics. His research addresses the role of social policy on the persistence of poverty and dependence, particularly through childhood exposure or labor market outcomes.

    Read Robert Paul Hartley's full bio here.

  • Robert Jervis is the Adlai E. Stevenson Professor of International Affairs at Columbia University. Professor Jervis specializes in international politics in general and security policy, decision making, and theories of conflict and cooperation.

    Read Robert Jervis's full bio here. 

  • Richard R. John is a historian who specializes in the history of business, technology, communications, and American political development.  He teaches and advises graduate students in Columbia’s Ph.D. program in communications, and is member of the core faculty of the Columbia history department, where he teaches courses on the history of capitalism and the history of communications. 

    Read Richard R. John's full bio here.

  • Richard Nephew is a Senior Research Scholar at the Center on Global Energy Policy at Columbia University School of International and Public Affairs. He is the author of The Art of Sanctions, a book from CGEP's Columbia University Press book series. Richard joined the Center February 1, 2015 directly from his role as Principal Deputy Coordinator for Sanctions Policy at the Department of State.

    Read Richard Nephew's full bio here. 

  • Richard Briffault is the Joseph P. Chamberlain Professor of Legislation at Columbia Law School. Since joining the Columbia Law School faculty in 1983, Richard Briffault has combined public and government service with teaching, research, and scholarship. He is the Law School’s authority on state and local government; the news media often turns to him for his expert insight into and analysis of issues central to democracy and the political process such as campaign finance reform, government ethics, gerrymandering, and fair elections.

    Read Richard Briffault's full bio here.

  • Richard K. Betts is the Leo A. Shifrin Professor of War and Peace Studies at Columbia's School of International and Public Affairs. He was Director of National Security Studies at the Council on Foreign Relations for four years and is now an adjunct Senior Fellow there. Betts was a Senior Fellow at the Brookings Institution until 1990 and adjunct Lecturer at the Johns Hopkins University's Nitze School of Advanced International Studies.

    Read Richard Betts's full bio here.

  • Radley Horton is a Lamont Research Professor at Columbia University’s Lamont-Doherty Earth Observatory. His research focuses on climate extremes, tail risks, climate impacts, and adaptation. 

    Read Radley Horton's full bio here.

  • Rachel Adams is a professor of English and Comparative Literature. Professor Adams specializes in 20th- and 21st-century literatures of the United States and the Americas, disability studies and health humanities, media studies, theories of race, gender, and sexuality, and food studies.

    Read Rachel Adams's full bio here.

  • Premilla Nadasen is a professor of history at Barnard university and  is affiliated with the American Studies and Women's, Gender and Sexuality Studies programs. She teaches, researches, and writes about race, gender, social policy, and organizing.

    Read Premilla Nadasen's full bio here.

  • Park Williams is a Lamont associate research professor and a a multi-disciplinary hydroclimatologist whose research aims to understand the causes and consequences of hydrological extremes such as drought. Much of his research focuses on climatology in its own right, and it also aims to improve understanding of how hydrological extremes affect life on earth. 

    Read Park Williams's full bio here.

  • Nabila El-Bassel is a University Professor and the Willma and Albert Musher Professor of Social Work. She is director of the Social Intervention Group, which was established in 1990 as a multi-disciplinary center focused on developing and testing prevention and intervention approaches for HIV, drug use, and gender–based violence, and disseminating them to local, national, and global communities. 

    Read Nabila El-Bassel's full bio here.

  • Michelle Georgia Knight-Manuel is Professor of Education and Executive Editor of the Teachers College Record at Teachers College, Columbia University. Her work focuses on equity in the areas of urban education, culturally relevant teacher education, and qualitative research methodologies. Her interests bridge the intersections of formal/informal education in youth studies (college readiness and access, immigrant education, and civic engagement), feminist theories (black, multicultural and critical race feminisms), and culturally-grounded research methodologies involving youth and community collaborations.

    Read Michelle Georgia Knight-Manuel's full bio here.

  • Michael Rebell is Professor of Law and Educational Practice and Executive Director, Center for Educational Equity (CEE), at Teachers College, Columbia University. Rebell is an educational law scholar specializing in equity in education, the role of courts in institutional reform litigations, civic education, and comprehensive educational opportunity for underserved students.

    Read Michael Rebell's full bio here.

  • Michael Nutter is the David N. Dinkins Professor of Professional Practice in Urban and Public Affairs. Professor Nutter focuses on cities, ethical and transparent government, politics, development of effective national urban policy. He was the 98th Mayor of Philadelphia serving from 2008-2016.

    Read Michael Nutter's full bio here.

  • Michael Graetz is the Columbia Alumni Professor of Tax Law. A leading expert on national and international tax law, Michael J. Graetz joined the faculty in 2009, after 25 years at Yale Law School, where he is a professor of law emeritus and a professorial lecturer. He has written on a wide range of tax, international taxation, health policy, and social insurance issues. 

    Read Michael Graetz's full bio here.

  • Michael Gerrard is the Andrew Sabin Professor of Professional Practice at Columbia Law School. The founder and faculty director of the groundbreaking Sabin Center for Climate Change Law and one of the foremost environmental lawyers in the nation, he is an advocate, litigator, teacher, and scholar who has pioneered cutting-edge legal tools and strategies for addressing climate change. He writes and teaches courses on environmental law, climate change law, and energy regulation. He was the chair of the faculty of Columbia University’s renowned Earth Institute from 2015 to 2018.

    Read Michael Gerrard's full bio here. 

  • Merlin Chowkwanyun is the Donald H. Gemson Assistant Professor in the Department of Sociomedical Sciences in Columbia's Mailman School of Public Health. His work centers on the history of community health; environmental health regulation; racial inequality; and social movement/activism around health. 

    Read Merlin Chowkwanyun's full bio here. 

  • Melissa Stockwell is an associate professor of Pediatrics and Population and Family Health. Dr. Stockwell is Chief of the Division of Child and Adolescent Health and an Associate Professor of Pediatrics (Vagelos College of Physicians and Surgeons) and Population and Family Health (Mailman School of Public Health). Her research, which concentrates on underserved children and adolescents, focuses on translational interventions to improve vaccinations with an emphasis on health technology and health literacy.

    Read Melissa Stockwell's full bio here.

  • Maureen Raymo is the interim director of Lamont-Doherty Earth Observatory. A geologist who studies climate, her wide-ranging research has centered on climates of the past, and particularly how sea level has changed dramatically, and what this may presage for the future. She appears frequently in the media.

    Read Maureen Raymo's full bio here.

  • Maria Victoria Murillo holds a joint appointment with the Department of Political Science and the School of International and Public Affairs and is currently the Director of the Institute for Latin American Studies. Murillo's research on distributive politics in Latin America has covered labor politics and labor regulations, public utility reform, education reform, agricultural policies and economic policy. 

    Read Maria Victoria Murillo's full bio here.

  • Mae M. Ngai, Lung Family Professor of Asian American Studies and Professor of History, is a U.S. legal and political historian interested in questions of immigration, citizenship, and nationalism. 

    Read Mae Ngai's full bio here.

  • Lincoln Mitchell is an adjunct research scholar in the Arnold A. Saltzman Institute of War and Peace Studies and an adjunct associate professor of political science. He is also a political analyst, pundit and writer based in New York City and San Francisco. Lincoln works on democracy and governance related issues in the former Soviet Union, Eastern Europe, the Caribbean, the Middle East, Africa and Asia and writes and speaks on U.S. politics as well.

    Read Lincoln Mitchell's full bio here.

  • Kyle Pope is the editor in chief and publisher of the Columbia Journalism Review (CJR). He previously has worked as an editor at Condé Nast, The Wall Street Journal, and the New York Observer, and in 2017 testified before Congress about threats to the press.

    Read a selection of Kyle Pope's articles in CJR here.


  • Kenneth Prewitt is the Carnegie Professor of Public Affairs. Prewitt's professional career also includes: director of the United States Census Bureau, director of the National Opinion Research Center, president of the Social Science Research Council, and senior vice president of the Rockefeller Foundation. 

    Read Kenneth Prewitt's full bio here.

  • Kellie Bryant is an assistant professor of nursing and executive director of the Simulation Center at the School of Nursing. Her focus areas are global pandemic response, nursing on the frontlines, nursing training and redeployment for treating COVID patients, diversity in nursing and naloxone training.

    Read more about Kellie Bryant here.

  • Kathleen J. Sikkema, Ph.D., is the Stephen Smith Professor and Chair of the Department of Sociomedical Sciences at Columbia's Mailman School of Public Health. She conducts community based intervention research focused on HIV prevention and mental health treatment in the U.S. and in low and middle income countries. She is a clinical psychologist who specializes in health and community psychology.

    Read Kathleen Sikkema's full bio here. 

  • Katherine M. Franke is the James L. Dohr Professor of Law at Columbia Law School, where she also directs the Center for Gender and Sexuality Law and is the faculty director of the Law, Rights, and Religion Project. She is a member of the Executive Committee for the Institute for Research on Women, Gender and Sexuality, and the Center for Palestine Studies. 

    Read Katherine Franke's full bio here.

  • Kate Orff is a professor and director of the Urban Design Program. As a professor at Columbia and as a practicing professional, she has advanced concepts of sustainable planning and urban design at multiple scales. 

    Read Kate Orff's full bio here.

  • Judith Scott-Clayton is Associate Professor of Economics and Education; Senior Research Scholar, Community College Research Center (CCRC); and Research Associate, National Bureau of Economic Research (NBER), at Teachers College, Columbia University. She examines the intersection of labor economics and higher education, with a focus on financial aid, community colleges, and student loans.

    Read Judith Scott-Clayton's full bio here.

  • Joseph Stiglitz is a University Professor. His work has helped explain the circumstances in which markets do not work well, and how selective government intervention can improve their performance. He has made major contributions to macroeconomics and monetary theory, development economics and trade theory, public and corporate finance, theories of industrial organization and rural organization, and theories of welfare economics and income and wealth distribution.

    Read Joseph Stiglitz's full bio here.

  • John Furlow is deputy director at the International Research Institute for Climate and Society. He previously led the Climate Change Adaptation Program in USAID’s climate change office. He now helps researchers apply their research and expertise to decision making in public health, agriculture, infrastructure planning, and other vital sectors.

    Read John Furlow's full bio here.

  • Jennifer Lee is a professor of sociology who has published award-winning books and articles about immigration, the new second generation, education and race relations. Strongly committed to public engagement, Jennifer Lee has written opinion pieces for The New York Times, San Francisco Chronicle, The Seattle Times, CNN, The Guardian, TIME, Los Angeles Magazine, The Conversation, and Zocalo Public Square, and has done interviews for NPR, CBS2 News, Fusion TV, and Tavis Smiley.

    Read Jennifer Lee's full bio here.

  • Jeffrey Shaman is a professor of Environmental Health Sciences (in the International Research Institute for Climate and Society/Earth Institute) and the director of the Climate and Health Program. Professor Shaman focuses on climate, atmospheric science and hydrology, as well as biology, and studies the environmental determinants of infectious disease transmission and infectious disease forecast. 

    Read Jeffrey Shaman's full bio here.

  • Jeffrey Schlegelmilch is the director for the National Center for Disaster Preparedness at Columbia University’s Earth Institute. He oversees the operations and strategic planning for the center and projects related to the practice and policy of disaster preparedness. His areas of expertise includes public health preparedness, community resilience, and the integration of private and public sector capabilities.

    Read Jeffrey Schlegelmilch's full bio.

  • Jeffrey Lax is a professor of political science and the department's deputy chair. He studies American politics, focusing on judicial politics, with projects on bargaining in the Supreme Court, legal doctrine on collegial courts, compliance in the judicial hierarchy, the influence of law on Supreme Court decision-making, and the impact of court decisions. 

    Read Jeffrey Lax's full bio here.

  • Jeffrey Henig is Professor of Political Science and Education, and Director of the Politics & Education Program, in the Department of Education Policy and Social Analysis at Teachers College, Columbia University. His expertise and interests include: privatization and school choice; race and urban politics; the politics of urban education reform; the politics of education research; local school boards; and philanthropic contributions to educational institutions and programs.

    Read Jeffrey Henig's full bio here.

  • Jason Smerdon is a research professor at Lamont-Doherty Earth Observatory, studies how climate has evolved over past decades to centuries. Co-director of the Earth Institute’s Undergraduate Program in Sustainable Development, he frequently appears in media to explain and discuss a wide variety of climate-related questions.

    Read Jason Smerdon's full bio here.

  • Jason Bordoff is a professor of professional practice in international and public affairs. Bordoff's research and policy interests lie at the intersection of economics, energy, environment, and national security. He is a frequent commentator on TV and radio, including NPR, Bloomberg, CNBC and BBC, has appeared on the Colbert Report, and has published in the New York Times, Wall Street Journal, Financial Times and other leading news outlets.

    Read Jason Bordoff's full bio here.

  • Jameel Jaffer is the Executive Director of the Knight First Amendment Institute at Columbia University. Under his leadership, the Institute has filed precedent-setting litigation, undertaken major interdisciplinary research initiatives, and become an influential voice in debates about the freedoms of speech and the press in the digital age.

    Read Jameel Jaffer's full bio here.

  • Ioana Literat is Assistant Professor of Communication, Media, and Learning Technologies Design at Teachers College, Columbia University, and has expertise in media literacy, social media, youth online political expression and civic education. Studying the intersection of civic and creative practices in online spaces, she is particularly interested in how social media and online communities facilitate (or sometimes constrain) young people’s political voice, activism and civic participation.

    Read Ioana Literat's full bio here.

  • Gregory J. Wawro is a professor of Political Science and Department of Political Science chair. Wawro specializes in American politics (including Congress, elections, campaign finance, judicial politics, and political economy) and political methodology. 

    Read Gregory Wawro's full bio here.



  • Professor Hubbard is the Dean Emeritus and the Russell L. Carson Professor of Finance and Economics at Columbia Business School. He is a specialist in public finance, managerial information and incentive problems in corporate finance, and financial markets and institutions.

    Read Glenn Hubbard's full bio here.


  • Gillian Metzger is the Harlan Fiske Stone Professor of Constitutional Law. Metzger’s recent work covers topics ranging from constitutional attacks on the administrative state to administrative constitutionalism and the role of administrative agencies in a polarized world. 

    Read Gillian Metzger's full bio here.


  • Fredrick C. Harris is Dean of Social Science and Professor of Political Science. He also serves as Director of the Center on African American Politics and Society. Professor Harris’s research interests are primarily in American politics with a focus on race and politics, political participation, social movements, religion and politics, political development, and African American politics. 

    Read Fredrick C. Harris's full bio here.


  • Ester R. Fuchs is a Professor of International and Public Affairs and Political Science and is the Director of the Urban and Social Policy Program at Columbia University’s School of International and Public Affairs. Professor Fuchs is an expert in urban politics and policy; American politics; and American parties and elections. She consults for governments, NGOs and businesses. She is a frequent political commentator in print, broadcast and new media and lectures internationally.

    Read Ester Fuchs's full bio here.


  • Elora Mukherjee is the Jerome L. Greene Clinical Professor of Law. A globally recognized advocate, practitioner, and voice for immigrants, asylum seekers, and unaccompanied migrant children, she is also the director of the Immigrants’ Rights Clinic at Columbia Law School. 

    Read Elora Mukherjee's full bio here.

  • Ellen Meier is Professor of Computing and Educational Practice in the Communication, Media, & Learning Technologies Design Program; Director of the Center for Technology and School Change (CTSC); and Coordinator of the Educational Technology Specialist Program at Teachers College, Columbia University. She works with education leaders and schools on creating effective learning environments using technology, and researches the pedagogical shifts needed to create innovative learning environments in which technology can help transform instruction.

    Read Ellen Meier's full bio here.

  • Edward R. Morrison is the Charles Evans Gerber Professor of Law. Morrison’s scholarship has addressed corporate reorganization, consumer bankruptcy, the regulation of systemic market risk, and foreclosure and mortgage modification. His recent work studies patterns in inter-creditor agreements, valuation disputes in corporate bankruptcies, racial disparities in Chapter 13 bankruptcy filings, and the relationship between financial distress and mortality rates. 

    Read Edward Morrison's full bio here.


  • Donald Green is the Burgess Professor of Political Science. Professor Green's research interests span a wide array of topics: voting behavior, partisanship, campaign finance, hate crime, and research methods. Much of his current work uses field experimentation to study the ways in which political campaigns mobilize and persuade voters. Green is advising Connect the Vote, an organization that aims to leverage preexisting social networks to promote voter registration and turnout.

    Read Donald Green's full bio here.

  • Detra Price-Dennis is Associate Professor of Education in the Communication, Media, & Learning Technologies Design Program, and Co-Director of the Reimagining Education Online Advanced Certificate Program, at Teachers College, Columbia University. She specializes in the sociopolitical and sociocultural aspects of literacy learning in early and middle childhood education, digital literacies, literacy teacher education, and critical perspectives on children’s and young adult literature.

    Read Detra Price-Dennis's full bio here.

  • Associate Professor Desmond Upton Patton’s research uses qualitative and computational data collection methods to examine the relationship between youth and gang violence and social media; how and why violence, grief, and identity are expressed on social media; and the real-world impact these expressions have on well-being for low-income youth of color. 

    Read Desmond Patton's full bio here.

  • David Ho, the Clyde ’56 and Helen Wu Professor of Medicine at Columbia University Irving Medical Center, was at the forefront of AIDS research. He is currently leading a team that is doing research on a vaccine to fight COVID-19

    Read David Ho's full bio here. 

  • Craig Spencer is an assistant professor of Emergency Medicine and Population and Family Health at the Columbia University Irving Medical Center. Dr. Spencer is also the Director of Global Health in Emergency Medicine.

    Read Craig Spencer's full bio here.

  • Associate Professor Courtney D. Cogburn employs a trans-disciplinary approach to examining the role of racism in the production of racial inequalities in health. She has focused on examining the effects of cultural racism in the media on acute physiological, psychological, and behavioral stress responses as well as associations between chronic psychosocial stress exposure and Black/White disparities in cardiovascular health and disease. 

    Read Courtney Cogburn's full bio here.

  • Charles Branas is the Gelman Endowed Professor and Chair of the Department of Epidemiology at Columbia's Mailman School of Public Health. Dr. Branas has conducted research that extends from urban and rural areas in the U.S. to communities across the globe, incorporating place-based interventions and human geography.

    Read Charles Branas's full bio here.

  • Bruce Western is the Bryce Professor of Sociology and Social Justice and Co-Director of the Justice Lab at Columbia University. His research has examined the causes, scope, and consequences of the historic growth in U.S. prison populations.

    Read Bruce Western's full bio here.

  • Bernard E. Harcourt is the Isidore and Seville Sulzbacher Professor of Law and Professor of Political Science at Columbia Law School. He is a distinguished contemporary critical theorist, justice advocate, and prolific writer and editor. In his books, articles, and teaching, his scholarship focuses on social and critical theory with a particular interest in punishment and surveillance. 

    Read Bernard E. Harcourt's full bio here.


  • Anya Schiffrin is the director of the Technology, Media, and Communications specialization at Columbia University’s School of International and Public Affairs. She focuses on media, development, innovation, media in Africa and the extractive sector.

    Read Anya Schiffrin's full bio here.

  • Andrew Gelman is Higgins Professor of Statistics, Professor of Political Science and director of the Applied Statistics Center at Columbia University. Recently, he has teamed with The Economist to create a model to predict the presidential election.

    Read Andrew Gelman's full bio here.

  • Amra Sabic-El-Rayess is Associate Professor of Practice in the Department of Education Policy and Social Analysis, and Project Director at the Center for Benefit-Cost Studies in Education, at Teachers College, Columbia University. She is an affiliated faculty member at the Harriman Institute for Russian, Eurasian and Eastern European Studies. Sabic-El-Rayess is an interdisciplinary scholar who leverages the fields of economics, sociology, and political science to address questions of radicalization, discrimination, Islamophobia, social mobility, corruption, social transformations, and exclusion of women.

    Read Amra Sabic-El-Rayess's full bio here.

  • Alex N. Halliday is the director of The Earth Institute. The author of more than 400 scientific papers, he has been a pioneer in understanding the processes that affect the surface of the earth as well as other planets. As director, he leads the largest team of university climate scientists in the world.

    Read Alex Halliday's full bio here.



  • Aimee Barnes is a non-resident fellow at the Center on Global Energy Policy. Aimee has over 15 years of experience in climate, energy and sustainability, spanning the state, federal and international levels, and the public, private, and non-profit sectors.

    Read Aimee Barnes's full bio here.


  • Adam Tooze is the Kathryn and Shelby Cullom Davis Professor of History in Columbia's Department of History. He teaches and researches widely in the fields of twentieth-century and contemporary history. From a start in modern German history with a special focus on the history of economics and economic history his interests have widened to take in a range of themes in political, intellectual, and military history, across a canvass stretching from Europe across the Atlantic. His most recent book was Crashed: How a Decade of Financial Crises Changed the World (2018).

    Read Adam Tooze's full bio here. 

  • Adam Sobel is a professor of applied physics and applied mathematics and of earth and environmental sciences. He studies weather and climate, with a focus on extreme weather events and a particular interest in the tropics. Phenomena include tropical cyclones, intra-seasonal variability, precipitation, severe convection and climate change. 

    Read Adam Sobel's full bio here.

  • Aaron Pallas is Arthur I. Gates Professor of Sociology and Education and Chair of the Department of Education Policy and Social Analysis at Teachers College, Columbia University. Pallas uses a variety of research tools to inform the public about the relevance and usability of educational research for policy and practice. He educates stakeholders—including representatives of the media—about the complexities and unexpected consequences of accountability and resource distribution policies in public schools.

    Read Aaron Pallas's full bio here.

  • Mabel O. Wilson (’91 M.Arch) is the Nancy and George Rupp Professor of Architecture, Planning and Preservation, a Professor in African American and African Diasporic Studies, and the Director of the Institute for Research in African American Studies (IRAAS) at Columbia University. At GSAPP she co-directs the Global Africa Lab. She is trained in Architecture and American Studies, two fields that inform her scholarship, curatorial projects, art works and design projects.

    Read Mabel O. Wilson's full bio here.

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