Junya_Koga
Junya Koga
Japanese swimmer (born 1987)
Junya Koga (古賀 淳也, Koga Junya, born July 19, 1987) is a Japanese backstroke swimmer. He is a Waseda University student in Tokyo.
In May 2009, he set the Japanese records in the 50 m and 100 m backstrokes at the 2009 Japan Championships, qualifying for Japan's team to the 2009 World Championships.[1]