Known for his ever-present smile on the golf course with a nickname as the "Smilin' Assassin.".
First shot even-par at age 11.
Early in career, made regular appearances on Japanese TV variety show called "Yume-ga-MoriMori" (Lots of Dreams).
Followed up on his dream with his father by launching his own junior golf foundation, which his company operates, in Japan. No relation to fellow professional Daisuke Maruyama.