CyberAgent Inc. (株式会社サイバーエージェント, Kabushiki-gaisha Saibāējento) is a Japanese digital advertising company, which was founded in 1998 by Susumu Fujita and headquartered in Shibuya, Tokyo. It is owned by Susumu Fujita with 20.50% interest; Fujita is representative director, while Yusuke Hidaka is executive vice president. CyberAgent is listed on the Tokyo Stock Exchange and is a constituent of the Nikkei 225 since 2000.