The Editors: Rueyling Tzeng is Associate Research Fellow at the Institute of European and American Studies, Academia Sinica, Republic of China, Taiwan. She received her Ph.D. from the Department of Sociology, State University of New York at Stony Brook. She has published widely in various journals.Brian Uzzi is Associate Professor at the Kellogg Graduate School of Management, Northwestern University. In addition to numerous articles on organizations and social networks, he is co-author (with Henry Etzkowitz and Carol Kemelgor) of Athena Unbound: Social Capital and Career Advancement in the Hard Sciences (2000). He received his M.S. in industrial administration and psychology from Carnegie-Mellon University and his Ph.D. in sociology from the State University of New York at Stony Brook.

The Editors: Rueyling Tzeng is Associate Research Fellow at the Institute of European and American Studies, Academia Sinica, Republic of China, Taiwan. She received her Ph.D. from the Department of Sociology, State University of New York at Stony Brook. She has published widely in various journals.Brian Uzzi is Associate Professor at the Kellogg Graduate School of Management, Northwestern University. In addition to numerous articles on organizations and social networks, he is co-author (with Henry Etzkowitz and Carol Kemelgor) of Athena Unbound: Social Capital and Career Advancement in the Hard Sciences (2000). He received his M.S. in industrial administration and psychology from Carnegie-Mellon University and his Ph.D. in sociology from the State University of New York at Stony Brook.

The Editors: Rueyling Tzeng is Associate Research Fellow at the Institute of European and American Studies, Academia Sinica, Republic of China, Taiwan. She received her Ph.D. from the Department of Sociology, State University of New York at Stony Brook. She has published widely in various journals.Brian Uzzi is Associate Professor at the Kellogg Graduate School of Management, Northwestern University. In addition to numerous articles on organizations and social networks, he is co-author (with Henry Etzkowitz and Carol Kemelgor) of Athena Unbound: Social Capital and Career Advancement in the Hard Sciences (2000). He received his M.S. in industrial administration and psychology from Carnegie-Mellon University and his Ph.D. in sociology from the State University of New York at Stony Brook.