Toshihiro Nagoshi is a Japanese video game producer, director and designer. He was the chief creative officer for Sega until 2021 when he became creative director. He went on to be the general director of Ryu Ga Gotoku Studio, and later became a member of the board of directors for Atlus. He joined Sega in 1989. After 30 years in the company, Nagoshi left Sega to join NetEase in late 2021, where he founded the studio Nagoshi Studio.

Ryu Ga Gotoku Studio is a video game developer housed within the Japanese video game company Sega as part of its Sega CS Research and Development No. 1 division. It is known for developing the games in the Like a Dragon series, which the studio is named after, since Yakuza 5.