Agneessens, Filip: - Filip Agneessens is an Associate Professor at the Department of Sociology and Social Research, University of Trento. He has published on a diversity of topics related to social networks, including measures of centrality, statistical models, ego-networks and social support, two-mode networks, negative ties, multilevel networks and issues related to data collection. He has also applied social network analysis to understand the antecedents and consequences of interactions among employees, and in particular within teams. Together with Martin Everett, he was a guest-editor for a special issue on "Advances in Two-mode Social Network Analysis" in the journal Social Networks, and together with Nick Harrigan and Joe Labianca he guest-edited a special issue on "Negative and Signed Tie Networks". He has taught numerous introductory and advanced social network courses and workshops over the last 15 years.