Changes in technology and the workplace have resulted in an increase in virtual teams. These teams may seem similar to regular, offline teams - but they require a nuanced set of skills and a deep understanding to be managed successfully. In fact, this is a key skill relevant for the 21st century knowledge economy. This CQ Dossier describes how leaders can effectively manage virtual teams and introduces a fresh set of skills to facilitate virtual team effectiveness. The dossier draws on research and theory on leadership style and virtual teams.