Toshimasa joined LIXIL Group Corporation in 2009, serving as Board Director and Executive Vice President of its subsidiary, LIXIL Corporation from 2012 to 2017 and Chief Executive Officer of LIXIL Housing Technology from 2015 to 2017. Prior to joining LIXIL Group Corporation, he was the President at Sanyo Electric from 2005 to 2007, where he spent 20 years. Currently, he is a Board Director at Enplas Corporation, Takara Printing, Takara Printing, Kameda Seika and Torishima Pump.
Graduated from Konan University (Faculty of Economics) and holds MBA from Boston University