Gravity Co., Ltd. () is a South Korean video game corporation primarily known for the development of the massively multiplayer online role-playing game Ragnarok Online. History The corporation started as a small business in Shinsa-dong, Kangnam-ku, Seoul, South Korea and has expanded to an international corporate interest with several subsidiary divisions. On 8 February 2005, Gravity Corporation made their IPO and traded $108 million US dollars on NASDAQ under the ticker symbol GRVY, making it the first Korean game company to be listed on the NASDAQ. The company has had a rather turbulent history initially involving internal political conflicts between CEO Hakyu Kim (who eventually left the company), and company president Jung Ryool Kim (who later assumed control as CEO), but has since stabilised and expanded operations to all of north and south-east Asia through supervised partnerships with native corporate entities. However, while Gravity Corporation's flagship product Ragnarok Online is considered a success in Asia, operations are not as well developed in Europe and the United States in comparison to similar products marketed and developed there. Jung Ryool Kim, diverted approximately $6 million in company funds to himself between 2002 and 2004, which eventually led to an investigation, settlement, and corrections of financial statements for those years. On 30 August 2005, Jung Ryool Kim, the controlling shareholder, sold his 52% stake and set plans to quit as a director. The buyers of his shares were Ezer and Techno Groove (which later merged into Asian Groove) of Japan, a pair of technology ventures controlled by Il Young Ryu and Taizo and Masayoshi Son. After becoming the new majority shareholder, on 13 September 2005, Il Young Ryu was named by Gravity as its new chairman and joint chief executive. EZER subsequently returned Techno Groove's investment of 9.9 billion yen to Asian Groove, which gave up any interest in Gravity. On 19 October 2007, EZER sold their interest in Gravity to Son Assets Management or SAM. On 22 May 2006, Gravity announced it had invested $9 Million in US game developer Perpetual Entertainment. Consequently, Gravity received a position on Perpetual's board of directors. Gravity also received "priority rights for future access to contents and other intellectual property rights of Perpetual Entertainment." On 21 November 2007, Gravity announced they had lost their investment after Perpetual cancelled its development of the MMORPG Gods and Heroes. On 5 December 2007, Gravity announced they had formed a