Ryo Takashima is the Chief Director of the Omi Alliance.
Yakuza 2 Edit
He took over when Yukio Terada had left the organization to become fifth chairman of the Tojo Clan, though he was actually working as Terada's mole in the alliance. Takashima, however, betrays him, intending to take both the Omi and the Jingweon to spread throughout mainland Asia. However, he is killed by Ryuji Goda before his plans can be realized.