Korean government recently plan to transform Korean economic system into so called "creative economy" in which entrepreneurial activities play major role. Therefore, a large number of new public support program for entrepreneurs have been announced. On the other hand, there has been growing needs for fairness of economy: large companies are regarded to have abused their negotiating power so far. These two very apparent social trend may require active role of large companies to develop sustainable entrepreneurial ecosystem in Korea. In this study, the author tries to review current situation and to find what would drive active participation of large companies as seen in other countries.