アニメ・エキスポ
He was one of the four founders of Cal-Animage Alpha (CAA) at the University of California, Berkeley in 1989. Tatsugawa was the chairman of AnimeCon in 1991, the event that later evolved into Anime Expo. In 1992 he founded Anime Expo and the Society for the Promotion of Japanese Animation (SPJA), the non-profit behind the convention where he served as CEO. He chaired his last Anime Expo in 2000. While CEO of SPJA, Anime Expo added another event in New York City.