Abstract: An Internet-based system and method for planning and managing an event. A plurality of modules provide tools to plan and manage an event. An event planning system provides a method for planning and managing all aspects of an event. An event info center provides a URL for an event where attendees of the event may access information for the event at once central location. A task manger allows users and event planners to create and assign a plurality of tasks to event attendees. The created tasks may be assigned to various users, modified, and deleted dynamically. Any changes made to event information by the planner may be dynamically updated on the event Web site. An expense tracker provides an improved method for managing event related expenses. A personalized management module allows users to maintain a personalize event home page where users may view their tasks, agenda, and event information.