To be successful entrepreneur, you need to consider some important aspects: converting your technology [idea] to business plan, organizing management team, and financing business plan. But before learning these skills, you need to think about why you must be an entrepreneur, in other words, what is the incentive to be an entrepreneur. In connecting to Chulalongkorn University, the leading university in Thailand, we will discuss this issue.Announcement: The class assignment and the Business plan contest at SOI Asia 2012-2013.