Ryu was born and raised in Osaka, Japan (1978-1997). He came to the United States to attend the University of Oregon, studying English and Physics (1997-2000). In 2000, he pursued a degree at the Art Center College of Design — The same design school where Phil Riehlman, Mark Jones, Bryan Benedict, Jun Imai, and lots of others went to.
Upon graduation in 2004, he started he started his professional career at Mattel as a Matchbox designer where he designed and worked on (what he estimated to be) about 150+ diecast cars, among other things, over 8 years with the Matchbox team (2004-2012).
His very first Hot Wheels design was the Gearonimo (a 2009 New Model), which he design while still with the Matchbox team (working as a guest designer). He went on to produce three more Hot Wheels castings while still working for Matchbox: Formula Street (based on one of his school project at Art Center), Honda S2000, HW Jump Truck (both full size and 1/64).
In 2012, he joined Hot Wheels team and started to manage basic cars. His very first Hot Wheels project as an official HW designer was ‘67 Chevy C10 (a 2013 New Model). Since 2012, its estimated that Ryu works on about 20 to 30 New Models each year.