S usumu Fujita is a self-made Japanese technology entrepreneur and the founder and CEO of CyberAgent, a major Japanese internet services and media company. He founded the company in 1998 at the age of 24, initially as an online advertising agency. He has since built it into a diversified digital powerhouse with a significant presence in online media, video games, and internet advertising.

Under Fujita's leadership, CyberAgent has become known for its successful video game division, which has produced several hit mobile games through its subsidiary, Cygames. The company's other major venture is AbemaTV, a popular and innovative internet television platform in Japan. He is also famous for his deep passion for the game of Mahjong, which he has promoted through AbemaTV, and for his ownership of a highly successful stable of racehorses. He is considered one of Japan's most dynamic and successful new-generation tech entrepreneurs.