He also has a joint appointment in Informatics. His current research focuses on business analytics, data science, and social computing, especially the mining, modeling, and simulation of social/business networks and social media. He has published more than 20 journal papers, and his research has been featured in public media from more than 25 countries, such as Washington Post, USA Today, Forbes, New York Public Radio, BBC, and Agence France-Presse. He also served as the Chair for INFORMS Artificial Intelligence Section 2014-2016.