Daniel J. Brass is J.J.B. Hilliard, W.L. Lyons, Inc. Chair in Innovation and Director of the LINKS Center for Social Network Analysis. He received his Ph.D. in Business Administration from the University of Illinois-Urbana and served on the faculty of Penn State University until moving to the University of Kentucky in 2000. He has published articles in such journals as Science, Administrative Science Quarterly, Academy of Management Journal, Academy of Management Review, Journal of Applied Psychology, Organization Science, Organizational Behavior and Human Decision Processes, Strategic Management Journal, Information Systems Research, Management Information Systems Quarterly, and Social Networks as well as numerous book chapters. His research focuses on the antecedents and consequences of social networks in organizations.