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Current Faculty Fellows and Research Affiliates

Jake Bowers

Jacob Bowers

Political Science

University of Illinois, Urbana-Champaign

As a research affiliate in 2019-20, Jake Bowers will continue working on the CASBS Causal Inference for Social Impact Lab (CISIL) and the CASBS Behavioral Insights Summer Workshop. CISIL aims to improve causal evaluation of public policies. The Behavioral Insights Summer Workshop aims to improve the policy relevance of training of graduate students in the social and behavioral sciences and increase learning between governmental behavioral insights units.

Bowers is an associate professor of political science and statistics at the University of Illinois at Urbana-Champaign. He was a fellow with the White House Social and Behavioral Sciences Team, a fellow with the Office of Evaluation Sciences, and begins work as a fellow with the Brown Policy Lab ( this fall. He is methods director and board member for the Evidence in Government and Politics network ( and co-founder of Research4Impact ( His research in applied statistics and political methodology focuses on questions about statistical inference for causal effects in both randomized field experiments and observational studies. Bowers was a CASBS fellow in 2018-19 and a research affiliate in 2017-18.

Visit the following website for more information about his work:

Paul Brest

Paul Brest


Stanford University

Paul Brest is former dean and professor emeritus (active), at Stanford Law School, a lecturer at the Stanford Graduate School of Business, faculty director of the Effective Philanthropy Learning Initiative at the Stanford Center on Philanthropy and Civil Society, and co-director of the Stanford Law and Policy Lab. He was president of the William and Flora Hewlett Foundation from 2000 to 2012.

He is co-author of Money Well Spent: A Strategic Guide to Smart Philanthropy (Stanford University Press, 2018, 2nd ed.), Problem Solving, Decision Making, and Professional Judgment (Oxford University Press, 2010), and articles on constitutional law, philanthropy, and impact investing. His current courses include Problem Solving for Public Policy and Social Change and Advanced Topics in Philanthropy and Impact Investing. He created the online interactive course, Essentials of Nonprofit Strategy on Stanford’s Lagunita platform and is the instructor in an online course, Essentials of Nonprofit Strategy, offered by Philanthropy University.

Brest is a fellow in the American Academy of Arts and Sciences, and holds honorary degrees from Northwestern University School of Law and Swarthmore College. Before joining the Stanford Law School faculty in 1969, he clerked for Judge Bailey Aldrich of the U.S. Court of Appeals for the First Circuit and Justice John M. Harlan of the U.S. Supreme Court, and did civil rights litigation with the NAACP Legal Defense and Education Fund in Mississippi. Brest is a faculty fellow in 2019-20, and was a fellow at CASBS in 1983-84.

Carrie S. Cihak

Public Affairs, Public Policy and Urban Studies

King County Government

During her year as research affiliate, Carrie Cihak will continue to co-lead CASBS’s Causal Inference for Social Impact Lab (CISIL) with research affiliate Jake Bowers, thereby advancing evidence-informed policymaking practices that support sustained and meaningful collaboration between academic researchers and policymakers, including between Stanford University and King County. Cihak will also continue work to understand the science and evidence-base of belonging and develop strategies to enhance “civic muscle” in the Seattle region.

As Chief of Policy for the highest-ranking elected official of the 13th largest county in the United States, Cihak is responsible for identifying the highest priority policy areas and community outcomes for leadership focus and for developing and launching innovative solutions to issues that are complex, controversial and cross-sectoral. She is an architect of some of the administration’s key initiatives such as Best Starts for Kids and the County’s nationally-recognized work on equity and social justice. Prior to her work in Executive Constantine’s administration, Cihak served for eight years as a senior-level analyst for the King County Council and as lead staff for the King County Board of Health. She is trained as a PhD-level (ABD—University of Michigan) economist specializing in Japan, and served as staff economist on international trade and finance for President Clinton’s Council of Economic Advisers. Cihak was a policy fellow at CASBS in 2017-18 and a research affiliate last year.

Shelley Correll


Stanford University

Shelley Correll is a faculty fellow and a member of the CASBS project “Addressing Sexual Violence Through Institutional Courage.” Her research in this area seeks to understand how the actions of organizational leaders can reduce sexual violence in their organizations. More generally, Correll’s research is focused on identifying and reducing the biases and barriers to gender equality in professional work.  She is currently conducting research in partnership with several technology and other high-status companies ( to evaluate interventions designed to promote “small wins” that can be leveraged to produced large scale improvements in organizational inclusion and gender and other forms of diversity (Reducing gender biases in modern workplaces: A small wins approach to organizational change. and 

At Stanford, Correll is the Michelle Mercer and Bruce Golden Family Professor of Women’s Leadership, professor of sociology, professor of organizational behavior (by courtesy), director of the Stanford VMware Women’s Leadership Lab, and a member of the design team for the Social X-Change Initiative, an initiative dedicated to creating pathways from social science research to social impact.

Correll was a CASBS fellow in 2015-16.

Estelle Freedman

Estelle Freedman


Stanford University

Estelle Freedman’s current research project expands upon the legal approach in her book Redefining Rape: Sexual Violence in the Era of Suffrage and Segregation (Harvard University Press, 2015), by exploring digitized oral history collections as sources for understanding the personal history of assault, rape, and harassment. She is working on methodological and historical essays interpreting sexual memories, sexual silences, and the changing language of sexual trauma across diverse groups of narrators.

Freedman’s past scholarship has focused on the histories of women, sexuality, feminism, and social movements. In addition to two books on the history of women’s prison reform in the U.S., she is the author of No Turning Back: The History of Feminism and the Future of Women (Ballantine Books, 2002) and the co-author (with John D'Emilio) of Intimate Matters: A History of Sexuality in America (University of Chicago Press, 2012), and the editor of the Essential Feminist Reader (Modern Library, 2007). She earned her BA at Barnard College, and MA and PhD degrees in U.S. history at Columbia University.

Freedman holds the Edgar E. Robinson chair in U.S. history at Stanford, where she co-founded the Program in Feminist, Gender, and Sexuality Studies. She is a CASBS faculty fellow in 2019-20, participating as a member in the CASBS project “Addressing Sexual Violence Through Institutional Courage.” and was a fellow at CASBS in 2009-10 and 2018-19.

For more information, you can find her CV at

Robert Gibbons


Massachusetts Institute of Technology

Robert Gibbons is Sloan Distinguished Professor of Management at Massachusetts Institute of Technology’s Sloan School of Management and professor in MIT’s department of economics. His research and teaching concern the design and performance of organized activities, especially “relational contracts” (informal agreements so rooted in the parties’ circumstances that they cannot be adjudicated by courts). Organized activities may occur not only within firms, but also between firms (e.g. supply relationships, alliances, joint ventures) or beyond firms (e.g. hospitals, schools, government agencies).

Since 2002, Gibbons has been co-principal investigator of MIT Sloan’s Program on Innovation in Markets and Organizations and founding director of the working group in organizational economics at the National Bureau of Economic Research. He is a member of the American Academy of Arts and Sciences and was co-editor (with John Roberts) of The Handbook of Organizational Economics (Princeton University Press, 2013) and a board member of the Citicorp Behavioral Science Research Council (1994-2000) and of the Center for Advanced Study in the Behavioral Sciences (2000-06).

Since 2016, Gibbons and Woody Powell (Stanford University) have co-run a summer institute at CASBS on organizations and their effectiveness. As research affiliates in 2019-20, they will engage interested fellows with summer scholars who return for short stints at CASBS. Gibbons was a CASBS fellow in 1994-95 and 2014-15.

David Grusky

David B. Grusky


Stanford University

David Grusky is a CASBS faculty fellow. His research addresses the changing structure of late-industrial inequality and takes on such topics as the role of market failure in explaining income inequality, recent trends in economic and social mobility, the surprising persistence of extreme gender inequality, and new ways to improve the country’s infrastructure for monitoring poverty, inequality, and mobility.

At Stanford University, Grusky is the Edward Ames Edmonds Professor in the School of Humanities and Sciences, professor of sociology, senior fellow of the Stanford Institute for Economic Policy Research, faculty fellow of the Center for Population Health Sciences, director of the Stanford Center on Poverty and Inequality, and coeditor of Pathways Magazine. Grusky is a former CASBS fellow (class of 1991-92) and was a faculty fellow in 2018-19.

Daniel Ho

Daniel Ho


Stanford University

Daniel E. Ho is the William Benjamin Scott and Luna M. Scott Professor of Law, Professor of Political Science, and Senior Fellow at the Stanford Institute for Economic Policy Research at Stanford University.  His scholarship centers on quantitative empirical legal studies, with a substantive focus on administrative law, regulatory policy, antidiscrimination law, and courts.  He received his JD from Yale Law School and PhD in political science from Harvard University and clerked for Judge Stephen F. Williams on the U.S. Court of Appeals, District of Columbia Circuit.  Ho served as president for the Society of Empirical Legal Studies (2011-12), co-editor of the Journal of Law, Economics, & Organization (2013-16).  He directs the Regulation, Evaluation, and Governance Lab (RegLab) at Stanford. Ho is a faculty fellow at CASBS and was a faculty fellow in 2018-19.

John Irons


New America

John Irons, a research affiliate at CASBS, is a fellow at the think tank New America, a digital fellow at the MIT Initiative on the Digital Economy, and is affiliated with the Schwartz Center for Economic Policy Analysis at The New School. His current research interests are broad, and includes how technology is shaping market systems and work. While at CASBS, he will connect with the Creating a New Moral Political Economy project.

Prior to his current roles, he was most recently director of Inclusive Economies and Future of Work at the Ford Foundation, leading grant making teams supporting U.S. and global efforts to create economic opportunities and ensure that prosperity is widely shared. Before joining Ford, Irons was managing director of Global Markets at the Rockefeller Foundation, leading initiatives in the U.S. and globally with a focus on employment. Prior to that, Irons worked at several D.C.-based think tanks, and as a tenure track assistant professor of economics at Amherst College. He authored numerous reports and articles on a range of economic topics including tax and budget policy, labor markets, and macroeconomic policy; and has appeared in a variety ofmedia outlets.

Irons was awarded a National Science Foundation graduate fellowship, as well as a graduate fellowship from the Harvard/MIT Research Training Group in Positive Political Economy. He won several awards for his economics websites, including top‐5 awards from The Economist and Forbes. He served on the Committee on Electronic Publishing of the American Economic Association, and served on the board of nonprofit institutions, including the Coalition on Human Needs, and was elected to the Board of Governors of the National Economists Club in Washington D.C. Irons holds a BA with high honors in economics from Swarthmore College, and a PhD in economics from the Massachusetts Institute of Technology.

Roberta Katz

Roberta R. Katz


Stanford University

Roberta Katz, a senior research scholar at CASBS, coordinates an interdisciplinary set of scholars who are examining the cultural norms and values of those born during and after the mid-1990s, an age group that has been denominated “Generation Z.”  The research will look closely at the traits that define the Generation Z culture, both in and outside the United States, and at the historical trends that have influenced the enculturation of members of this group.

Katz holds a PhD in anthropology as well as a law degree, and was previously the General Counsel of McCaw Cellular Corporation (now AT&T Wireless) and then of Netscape Corporation. For the past thirteen years, she has served under Stanford University Presidents John Hennessy and Marc Tessier-Lavigne as the associate vice president for strategic planning at Stanford. She also served as President Tessier-Lavigne’s interim chief of staff until early 2017. Katz has been deeply involved in the facilitation of a variety of interdisciplinary research initiatives at Stanford, and she is a current member of the CASBS board of directors.

Robert Keohane

Robert O. Keohane

Political Science

Princeton University

Robert Keohane is professor of international affairs at Princeton University. He is the author of After Hegemony: Cooperation and Discord in the World Political Economy (Princeton University Press, 1984/2005) and Power and Governance in a Partially Globalized World (Psychology Press, 2002). He is co-author (with Joseph S. Nye, Jr.) of Power and Interdependence (Pearson Higher Ed, 1977/2012), and (with Gary King and Sidney Verba) of Designing Social Inquiry (Princeton University Press, 1994). He has served as the editor of International Organization and as president of the International Studies Association and the American Political Science Association. He won the Grawemeyer Award for Ideas Improving World Order, 1989, the Johan Skytte Prize in Political Science, 2005, and the Balzan Prize in International Relations: History and Theory, 2017. He is a member of the American Academy of Arts and Sciences, the American Philosophical Society, and the National Academy of Sciences. He is also a Corresponding Member of the British Academy.

His current work focused on the comparative and international politics of climate change. Keohane is a research affiliate at CASBS in 2018-19, and was a fellow in 1977-78, 1987-88 and 2004-05.

John Markoff

John Markoff

Science Writer

New York Times

John Markoff is currently researching a biography of Stewart Brand, the creator of the Whole Earth Catalog. A research affiliate at CASBS, Markoff will be participating in projects focusing on the future of work and artificial intelligence.

In 2017-18 he was Berggruen Fellow at CASBS. In 2017 he joined the Computer History Museum in Mountain View, California, as a staff historian. Previously he was a reporter at The New York Times, beginning in March 1988 as the paper’s national computer writer. He moved to Silicon Valley to write about technology in 1992. Prior to joining the Times, he worked for The San Francisco Examiner from 1985 to 1988. He reported for the New York Times Science Section from 2010 through 2015. He returned to the Business Section to cover Silicon Valley in 2016 and retired from the paper in December of 2016.

Markoff has written about technology and science since 1977. He reported on technology and the defense industry for The Pacific News Service in San Francisco from 1977 to 1981; he was a reporter at Infoworld from 1981 to 1983; he was the West Coast editor for Byte Magazine from 1984 to 1985 and wrote a column on personal computers for The San Jose Mercury from 1983 to 1985.

He has also been a lecturer at the University of California, Berkeley School of Journalism and an adjunct faculty member of the Stanford Graduate Program on Journalism.

The Times nominated him for a Pulitzer Prize in 1995, 1998 and 2000. The San Francisco Examiner nominated him for a Pulitzer in 1987. In 2005, with a group of Times reporters, he received the Loeb Award for business journalism. In 2007 he shared the Society of American Business Editors and Writers Breaking News award. In 2013 he was awarded a Pulitzer Prize in explanatory reporting as part of a New York Times project on labor and automation.

In 2007 he became a member of the International Media Council at the World Economic Forum. Also in 2007, he was named a fellow of the Society of Professional Journalists, the organization’s highest honor.

In June of 2010 the New York Times presented him with the Nathaniel Nash Award, which is given annually for foreign and business reporting.

Markoff is the author or co-author of the following: The High Cost of High Tech (Harper & Row, 1985); Cyberpunk: Outlaws and Hackers on the Computer Frontier with Katie Hafner Simon & Schuster, 1991); Takedown: The Pursuit and Capture of America’s Most Wanted Computer Outlaw (Hyperion, 1996), co-authored with Tsutomu Shimomura; What the Dormouse Said: How the Sixties Counterculture shaped the Personal Computer Industry (Viking Books, 2005); Machines of Loving Grace: The Quest for Common Ground Between Humans and Robots (HarperCollins Ecco, 2015).

Born in Oakland, California, Markoff grew up in Palo Alto, California and graduated from Whitman College, Walla Walla, Washington, in 1971. He attended graduate school at the University of Oregon and received an MA in sociology in 1976.

Josiah Ober

Josiah Ober

Political Science

Stanford University

Josiah Ober (CASBS fellow, 2004–05 and CASBS board member, 2014-17) is a faculty fellow in 2019-20. Ober holds the Constantine Mitsotakis Chair in the School of Humanities and Sciences at Stanford University, where he divides his time and academic appointment between the departments of classics and political science. He teaches courses on topics conjoining history, classical philosophy, and political theory, institutions, values, and practices.

Before coming to Stanford, Ober taught at Princeton University (1990-2006) and at Montana State University (1980-1990). His academic work focuses on the history, theory, and practice of self-governing organizations (ancient and modern), on the circulation of social and technical knowledge in democratic societies, and on the interplay between political philosophy and culture. He is author of a number of books, including, recently, Demopolis: Democracy before Liberalism in Theory and Practice (Cambridge University Press, 2017), The Rise and Fall of Classical Greece (Princeton University Press, 2015), and Democracy and Knowledge: Innovation and Learning in Classical Athens (Princeton University Press, 2008). His books have been translated into French, German, Greek, Spanish, Italian, Turkish, and Chinese.

He is currently working on a book on “deliberation, strategy, and choice in ancient Greek social thought,” and on a project on ancient and modern urbanization and economic development. A recent interview, focusing on his work on democratic theory, can be found here:

Sarah Ogilvie

Sarah Ogilvie


Oxford University

Sarah Ogilvie, a research affiliate at CASBS, is Senior Research Fellow at the University of Oxford. She is a linguist, lexicographer, and computer scientist who works at the intersection of technology and the social sciences. She is director of the Dictionary Lab at Oxford and her books include Words of the World: A Global History of the OED and Keeping Languages Alive (Cambridge University Press, 2012). Before Oxford, she taught linguistics at Stanford and Cambridge Universities, and worked at Amazon's innovation lab in Silicon Valley.

Ogilvie’s research at CASBS focuses on the language, cultural norms, and values of those born during and after the mid-1990s, an age group that has been called “Generation Z” or the “iGeneration”. The iGen Project is hosted by CASBS and funded by the Knight Foundation. Its interdisciplinary research team comprises Ogilvie, Roberta Katz, Linda Woodhead, and Jane Shaw. Ogilvie was a Berggruen fellow at CASBS in 2017-18.

For more information, visit her webpage:

Nate Persily

Nathaniel Persily


Stanford University

Nate Persily’s scholarship focuses on voting rights, political parties, campaign finance, redistricting, and election administration. His current work, for which he has been honored as an Andrew Carnegie and CASBS fellow (class of 2017-18), examines the impact of changing technology on political communication, campaigns, and election administration. He is currently writing a book expanding on the subject he explored in a recent article in the Journal of Democracy, “Can Democracy Survive the Internet?” In addition, he currently co-chairs Social Science One (with Harvard professor and CASBS board of directors member Gary King), an international effort to examine the impact of social media on democracy by providing Facebook data, in a secure, privacy-protected format, to social scientists around the world.

Persily is the James B. McClatchy Professor of Law at Stanford Law School, with appointments in the departments of political science, communication, and FSI. He also is the founding co-director of the Stanford Cyber Policy Center and (with Frank Fukuyama) the Project on Democracy and the Internet.  He also serves on the Kofi Annan Commission on Elections and Democracy in the Digital Age.  He is co-author of the leading election law casebook, The Law of Democracy (Foundation Press, 2016). He has served as a special master or court-appointed expert to craft legislative districting plans for many states, as the senior research director for the Presidential Commission on Election Administration, and on a panel of the National Academy of Sciences evaluating the state of U.S. voting technology. He received a BA/MA in political science from Yale University, a JD from Stanford University where he was president of the Stanford Law Review, and a PhD in political science from the University of California, Berkeley. He is also a member of the American Academy of Arts and Sciences.

Persily is a faculty fellow in 2019-20. His website is and Twitter handle is @persily

Walter W. Powell


Stanford University

Walter W. Powell is professor of education and (by courtesy) sociology, organizational behavior, management science and engineering, and communication, and co-director of the Center on Philanthropy and Civil Society at Stanford University. He has been an external faculty member at the Santa Fe Institute since 1999. Powell works in the areas of organization theory, economic sociology, and the sociology of science. His most recent books include The Emergence of Organizations and Markets (Princeton University Press, 2012), with John Padgett, and The Nonprofit Sector (Stanford University Press, forthcoming), with Patricia Bromley, He received his PhD in sociology from SUNY Stony Brook, and before joining the Stanford faculty in 1999, previously taught at Yale, MIT, and the University of Arizona. 

Powell is a faculty fellow in 2019-20, and was a fellow at CASBS in 1986-87, 2008-09 and a faculty fellow in 2018-19. He directs, with Bob Gibbons, the CASBS summer institute on organizations and their effectiveness.

Jane A. Shaw

History and Religion

Oxford University

Jane Shaw is a modern historian at the University of Oxford, where she is Principal of Harris Manchester College. Her research interests are in the areas of modern religion, the arts, and the impact of technology on society. She is the author of several books including Miracles in Enlightenment England (Yale University Press, 2006) and Octavia, Daughter of God: The Story of Female Messiah and her Followers (Yale University Press, 2011).

She is a member of two research teams at CASBS: (1) The New Moral Economy and Artificial Intelligence. She is especially looking at the interplay between AI and religion. The other members of the interdisciplinary research team are Margaret Levi, Mariano-Florentino Cuéllar, Roberta Katz, and John Markoff.

(2) The iGen Project, funded by the Knight Foundation, on the language, cultural norms, and values of those born during and after the mid-1990s, an age group that has been called “Generation Z” or the “iGeneration”. The other members of the interdisciplinary research team are Sarah Ogilvie, Roberta Katz, and Linda Woodhead.

Claude Steele


Stanford University

Claude M. Steele is an American social psychologist and a professor of psychology at Stanford University. He is best known for his work on stereotype threat and its application to minority student academic performance. His earlier work dealt with research on the self (e.g., self-imageself-affirmation) as well as the role of self-regulation in addictive behaviors. In 2010, he released his book, Whistling Vivaldi and Other Clues to How Stereotypes Affect Us (W. W. Norton & Company, 2011), summarizing years of research on stereotype threat and the underperformance of minority students in higher education.

Steele is elected to the American Academy of Arts and Sciences, the National Academy of Sciences, the National Science Board, the National Academy of Education, and the American Philosophical Society. He currently serves as the chair of the Russell Sage Foundation board of directors, and also serves on the board of the John D. and Catherine T. MacArthur Foundation. He is a fellow for both the American Institutes for Research and the American Academy of Political and Social Science, and serves on the advisory council of the MIT Media Lab.

Steele has served in several major academic leadership positions as the executive vice chancellor and provost at UC Berkeley, the I. James Quillen Dean for the School of Education at Stanford University, and as the 21st provost of Columbia University. Steele was a fellow in the class of 1994-95 and served as the director of CASBS from 2005 to 2009.

Abraham Verghese


Stanford University

Abraham Verghese, a faculty fellow, launched the Stanford Presence Center to focus on the human connection in medicine. Housed within the Stanford School of Medicine, Presence seeks to add the social science dimensions to a multidisciplinary focus on balancing high touch and high tech for the equitable and inclusive experience of medicine. Their research aims include: understanding the human experience of patients, physicians and caregivers and how it relates to medical error and outcomes; and how to leverage technology for the human experience of medicine. Through collaboration with CASBS fellows, Presence explores these issues using insights from sociology, psychology, political science, organizational economics, and other disciplines that historically have honed their cutting edge at CASBS.

Verghese’s career combines the roles of physician, teacher, and author with frequent bylines in newspapers and magazines across the world. A highly sought after public speaker, Verghese is also a regular focus of attention in media — both medical and general — ranging from National Public Radio, the New England Journal of Medicine, and the New York Times to The Guardian and The Times of India. He is the author of the critically acclaimed novel Cutting for Stone (Knopf, 2009).

At Stanford’s School of Medicine, Verghese is the Linda R. Meier and Joan F. Lane Provostial Professor, and vice chair for the Theory and Practice of Medicine. He is a physician trained in internal medicine and infectious diseases. He was elected to the Institute of Medicine of the National Academies, and in September 2016, Verghese received the National Humanities Medal from then President Obama.

Linda Woodhead

Linda Woodhead


University of Lancaster

Linda Woodhead is a research affiliate in 2019-20. She is part of the "iGen Project”, based at CASBS, that is writing up research on post-millennials in the US and UK. The research reveals how this generation of digital sophisticates is re-assembling values, identities and beliefs in a context of disillusionment.

Woodhead is a sociologist of religion, beliefs and values. Much of her work has looked at the decline of Christian influence (especially in liberal democracies) and the rise of alternative beliefs, values and rituals – both spiritual and non-religious. Her latest book is That Was the Church That Was: How the Church of England lost the English People (Bloomsbury Publishing, 2016, with Andrew Brown).

Woodhead is professor of sociology of religion at Lancaster University, UK. She studied at Cambridge University. She was a fellow at CASBS in 2018-19.