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Researchers in Residence

Kartik Bajpai

PhD Student, Management & Organizations
Kellogg School of Management

Kartikeya Bajpai is a doctoral student of management and organizations at the Kellogg School of Management, Northwestern University. His research interests focus on the social and cultural processes that undergird meaningmaking and valuation in organizations, occupations and markets.

Diego Fregolente

Post Doctoral Fellow
McCormick School of Engineering and Applied Science

Diego has a PhD in Physics from University of Maribor - Slovenia. He is interested in complex networks, more precisely in understanding how information propagates through online social networks.

Kevin Gaughan

PhD Student, Management & Organizations
Kellogg School of Management

Kevin’s research involves the study of financial market behavior from a network perspective. Currently, he is studying the network dynamics of large institutional investors in the United States by measuring the degree to which their portfolios of equity holdings overlap. His work also focuses on social networks at the individual level of analysis, where he examines how the communication patterns of hedge fund traders influence their short-term investment decisions.

Qing Jin

Pre-Doctoral Research Fellow
Kellogg School of Management

Qing is a predoctoral research fellow at Kellogg School of Management and NICO, Northwestern University, and a PhD candidate in physics at Northeastern University. His research interests focus on studying social systems with a combination of theoretical tool and data analysis, including mathematical modeling of network dynamics, data-driven study of diffusion of innovations, understanding of universal substitution patterns, and uncovering the influence of social network on product adoption.

Liu Lu

Pre-Doctoral Research Fellow
Kellogg School of Management

Lu is a visiting predoctoral fellow at Kellogg School of Management and NICO, and a PhD candidate at College of Information Science and Technology, Pennsylvania State University. Her research interest is computational social science, science of science, data mining, and machine learning. She is particularly interested in understanding and quantifying the career trajectory of scientists and professionals from other domains.

Yifang Ma

Post Doctoral Fellow
Kellogg School of Management

Yifang received a PhD in Mathematics from the School of Mathematical Sciences, Peking University. His doctoral research focused on dynamical systems and complex networks. He is now a post-doc at Kellogg School of Management and NICO, working with Prof. Brian Uzzi. Yifang's research is focused on understanding the collective behaviors of individuals from massive data. He is also interested in citation networks, social and economic networks, human mobility, and data visualization.

Julia Poncela-Casasnovas

Post Doctoral Fellow
Kellogg School of Management

Julia is a Physicist by training, interested mostly in computational and statistical modelling of different processes on social networks. She has worked on projects such as the spreading of medical technology among doctors, or the connection between individuals' embeddedness in a social network and their healthy/unhealthy outcomes, like obesity. She also has experience with lab-in-the-field social experiments, specifically, using Game Theory to classify people according to different types of behaviour. Julia is currently working on several projects that connect human creativity, success, and collaboration networks.

Wouter Vermeer

Post Doctoral Fellow
Feinberg School of Medicine

Phone: 773-899-4701

Wouter has a PhD in Business Information Management from the Rotterdam School of Management, Erasmus University. His doctoral research focused on the mechanism of propagation in networks. His research interests include (social) network analysis, propagation of information, agent-based Modeling, complex systems and multiplex/multilayer networks. He is particularly interested in understanding the dynamics in networks, and the phenomenon of scaling which links micro- and macro-level behavior.

Yang Wang

Post Doctoral Fellow
Kellogg School of Management

Yang received his PhD in Physics from Bar-Ilan University, Israel. He is now a postdoc fellow at Kellogg School of Management and NICO. His research focuses on network theory and data analysis, with a particular interest in science of science, big data, citation networks, and time series analysis. He is also interested in using network tools to understand the collective behavior of humans and its connection to future success.

Youyou Wu

Post Doctoral Fellow
Kellogg School of Management

Youyou received her PhD in Psychology from University of Cambridge. Her doctoral work focused on inferring people's personality from their social media profiles using machine learning and text mining. Currently, she is interested in how machine algorithms' performance compares to humans' in various social/cognitive tasks, and whether algorithms can help overcome human biases.

Yang Yang

Post Doctoral Fellow
Kellogg School of Management

Yang received his PhD in Computer Science from the University of Notre Dame. Currently, he is a post-doc at Kellog School of Management and NICO. He studies data mining, statistics, and network science, with a focus on the link prediction problem, social influence analysis, and social network evolution. He is also interested in applying network methodologies to analyze the development of complex socio-economic systems, such as the traders alliance network.

Yian Yin

PhD Student, IEMS
McCormick School of Engineering and Applied Science

Yian Yin is currently a PhD student at IEMS and NICO. His research focuses on data mining and network science, with a focus on science of science and time series analysis. Prior to coming to Northwestern, he received a Bachelor degree in Statistics from Peking University.

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