Originally from Okinawa, Japan, Koichiro came to the United States in 1996 to march and perform with the Madison Scouts Drum and Bugle Corps in Madison, Wisconsin. As a member of the Madison Scouts he won first place DCI Individual Solo Baritone Completion in 1997 and 1998.
In 2005, Koichiro received a BFA in euphonium performance from the University of Wisconsin-Milwaukee and M.M. Performance from Duquesne University. His primary teachers included Alan Baer, Marty Erickson and Lance LaDuke. While at the University of Wisconsin-Milwaukee, he soloed with the University of Wisconsin-Milwaukee Symphony Band and received second place in the Milwaukee Civic Association Music Scholarships Competition in 2004.
Koichiro travels internationally, giving master classes and performing. He has performed in Italy, Brazil, Japan, Argentina and Canada, as well as in multiple cities throughout the United States. In his spare time, enjoys dancing tango, biking and running.
In 2014 Koichiro became Adams Euphonium performing artist.