The Exchange: Project Description
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We are a team of Stanford University researchers and Airbnb data scientists studying the social consequences of sharing goods and services with strangers. Below, you can learn more about us.

This research is funded by the National Science Fundation.

Research Team



Paolo Parigi Paolo Parigi, PhD (Principal Investigator)

Paolo researches how technology mediates the formation of relationships He is Associate Director of computational social science at IRiSS, a research institute at Stanford University. More information about Paolo's research and interest are available here.








Karen Cook Karen Cook, PhD

Karen conducts research on social interaction, social networks, and trust. She is the Ray Lyman Wilbur Professor of Sociology, Director of the Institute for Research in the Social Sciences, and Vice-Provost for Faculty Development and Diversity at Stanford University.








Alok Gupta Alok Gupta, PhD

Alok is a Data Science Manager at Airbnb where he works on Machine Learning models to identify anomalous behaviour and is interested in accelerating Trust in the platform. Formerly Alok was a Research Fellow in Mathematics at Oxford University and then a High Frequency Quantitative Trader on Wall Street.







Bruno Abrahao Bruno Abrahao, PhD

Bruno is a Postdoctoral Fellow in the Computer Science Department at Stanford University. He holds a Ph.D. in Computer Science from Cornell University, awarded in 2014. His projects leverage the massive amounts of data generated by the Web and the sciences, now available in this era of “Big Data”, to discover knowledge from networks using insights from Algorithms, Machine Learning, and the Social Sciences. More information about Bruno's research and interest is available here.





Michael Ovadia Michael Ovadia

Michael studies the psychological and social issues underpinning sharing -- of both material good and personal vulnerabilities. His research examines how communities emerge within seemingly traditional marketplaces in the sharing economy. Michael is currently a Doctoral Candidate at Stanford University in the Emmett Interdisciplinary Program in Environment and Resources; he concurrently earned an MA in Sociology and Masters in Business Administration, also from Stanford University.





Stanford University
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