Mariko Mori (森 万里子 Mori Mariko, born June 17, 1981) is a Japanese volleyball player who plays for Toray Arrows. She served as sub captain of the team between 2008 and 2010. Her maiden name was Mariko Nishiwaki.
Source: “Mariko Mori (volleyball)”, English Wikipedia (CC BY-SA 4.0), excerpt
