Song Yang (Ph.D. University of Minnesota, 2002) is Professor at the Department of Sociology and Criminology at the University of Arkansas. His research areas are social network analysis, sociology of work, and organizational studies. He published Social Network Analysis, Second Edition with David Knoke (Sage, 2008), and the Invisible Hands of Political Parties in Presidential Elections: Party Activists and Political Aggregation from 2004 to 2012 with Andrew Dowdle, Scott Limbocker, Patrick A. Stewart, and Karen Sebold (Palgrave MacMillan, 2013). He has published more than 20 articles in various peer reviewed journals such as Journal of Business Research, Party Politics, Social Science Research, Sociological Spectrum, and Sociological Inquiry. Franziska Barbara Keller has received her PhD degree from New York University's Department of Politics, and is currently Assistant Professor at the Division of Social Science at the Hong Kong University of Science and Technology. Her work uses Social Network Analysis to examine informal politics in authoritarian regimes. Her research has been supported by organizations such as the Chiang Ching-Kuo Foundation, and has received the John Sprague Award by the Political Network Section of the American Political Science Association. Her most recent publication, Moving Beyond Factions: Using Social Network Analysis to Uncover Patronage Networks Among Chinese Elites , has appeared in the Journal of East Asian Studies. Lu Zheng is Associate Professor of Sociology in Tsinghua University, China and Adjunct Professor of Sociology in Texas A&M University, USA. His research projects focus on corporate social responsibility (CSR), social governance, and China's ongoing urbanization process. His publications appear in Social Forces, British Journal of Sociology, Social Science Research, and China Quarterly, etc. His paper on listed firms in China's stock market won the Best Paper Award from the International Association of Chinese Management Research (IACMR) Biennial Conference in 2012. His most recent coauthored book is Data you need to know about China: Research Report of China Household Finance Survey (2014).