The main target of every event project approach to be qualified operated within the targeted budget, handling the product to the organizer or hostess and at the same time getting the customer satisfaction and getting good reputation. Once the event is start, if any mistake which can harm to the company's business, won't have a chance to redo it. The stages of event operational management include analysis stage, detailed planning, implementation and delivery and performance evaluation (Tum, Norton and Wright, 2006). The review analysis from the previous event and performance evaluation help the internal and external analysis according to set the mission statement, so that the operational manager can perform the planning process. In the context of an event involves decision making concerning with the type of event, destination, location, venue, timing and programs that will make the unique or special event. An organizational structure will be created after following the decision to proceed, through the delivering event. The structure can be varied according to the different event life cycle progresses and supported elements to the organizational structure are staffs, workforce, culture and ethical issues.Financial management is also the part of the operation and it includes budgeting, costing, pricing, accounting and also the cash flow management.Information management- information acquisition, distribution and control,Time management- activity architecture, schedule development and schedule control.