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Patrick van Kessel

Senior Data Scientist

Expertise: Research Methodology

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Patrick van Kessel is a senior data scientist at Pew Research Center, specializing in computational social science research and methodology. He is the author of studies that have used natural language processing and machine learning to measure negative political discourse and news sharing behavior by members of Congress on social media, and is involved in the ongoing development of best practices for the application of data science methods across the Center. Van Kessel received his master’s degree in social science from the University of Chicago, where he focused on open-ended survey research and text analytics. He holds bachelor’s degrees in economics and political science from the University of Texas at Austin. Prior to joining Pew Research Center, he worked at NORC at the University of Chicago as a data scientist and technical advisor on a variety of research projects related to health, criminal justice and education.