Kazuma Yamauchi

MBK Partners KK (MBK Partners) is the Tokyo-based subsidiary of MBK Partners, Ltd., in Korea. Established in 2005 by six founding members who worked together at a global private equity organization, MBK Partners is one of the largest private equity firms in the Asia-Pacific region. With additional investment teams in Seoul (MBK Partners Ltd.) and Shanghai (MBK Management, Inc.), the firm's investors include government agencies, public and corporate pension funds, financial institutions, funds of funds and university endowments from Korea, Japan, Southeast Asia, North America, Western Europe, and the Middle East.

Konmari Media, Inc. provides consultation services. It offers certifications courses and books about organization and tidying up. The company was founded by Marie Kondo, Takumi Kawahara and Kazuma Yamauchi and is headquartered in Los Angeles, CA.