Leslie Chan is Senior Lecturer in the Department of Social Sciences at the University of Toronto Scarborough, where he serves as the Program Supervisor for the International Development Studies program. A pioneer in the use of the Web for knowledge exchange and learning, Leslie has been the Director of Bioline International, a collaborative platform based at CRIA Brazil for open access distribution of research journals from close to twenty developing countries. This activity is part of Leslie’s long-term teaching and research interests in the roles of openness and control in the flow of knowledge and information and their impact on local and international development. In particular, Leslie has worked with organizations such as the Open Society Institute, UNESCO, and IDRC, in the development of alternative forms of knowledge media and communicative practices enabled by social network and collaborative software, and in the evaluation of human centered design principles and participatory approaches to media for community development. With Alma Swan, Leslie co-founded the Open Access Scholarly Information Sourcebook (OASIS) and the Global Open Access Map. A Trustee of the Electronic Publishing Trust for Development, Leslie is on the editorial board of Open Medicine, and the advisory board of the Scholarly Communication in Africa project based at the University of Cape Town. He is also a member of the Research Dissemination Committee of the Canadian Federation of Humanities and Social Sciences.