Mark Seasons worked for twenty years of professional planning practice as an inner-city community planner, long range planner, and regional planner. His practice has included work on local and regional economic development, strategic planning, policy analysis, program evaluation, and long-range regional planning. More recently, he has worked as a team member with colleagues from Waterloo on research and training activities to help build environmental planning capacity in three coastal cities in China. He is a member of the Canadian Institute of Planners (President: 2000-2001), the Ontario Professional Planners Institute, and the Canadian Evaluation Society. His research is widely published in planning and urban research journals. He is Chair of the Editorial Board for Plan Canada, and he is a member of the editorial board for the Canadian Journal of Program Evaluation.