| 1991 | Graduated from the Faculty of Economics at Hitotsubashi University in 1991, and joined The Fuji Bank, Limited (now Mizuho Bank, Ltd.) the same year, where she worked in lending and international public relations. |
| 1994 | Joined her family's company, Otsuka Kagu, Ltd., in 1994. |
| 1996 | Became a director of Otsuka Kagu, Ltd. in 1996, and held various positions such as head of management planning, sales management, general planning, accounting, product management, and public relations. |
| 2004 | Resigned from Otsuka Kagu, Ltd. in 2004. |
| 2005 | Established QUALIA CONSULTING Inc. in 2005, and became its CEO. |
| 2007 | Became an executive officer of Frontier Management Inc. in 2007 while concurrently serving at QUALIA CONSULTING Inc.. |
| 2009 | Became the president and CEO of Otsuka Kagu, Ltd. in March 2009 and served for a total of 11 years and 2 months until her retirement in December 2020. She was also a director from July 2014 to January 2015. |
| 2020 | Reappointed as the CEO of QUALIA CONSULTING Inc. in December 2020. |
| 2023 | Established QUALIA LIVING SOLUTIONS Inc. in 2023, and became its CEO. |
| 2012 | University of Tsukuba (JD) |
| 1991 | Hitotsubashi University (BA, Economics) |
| • | Marketing and Branding |
| • | Support for launching new businesses and developing new products |
| • | Store planning |
| • | Investor Relations |
| • | M&A Advisory |
| • | Management support for start-up companies |
| • | Import and Export |
| • | Delivery and Installation |
| • | After-Sales Service |
| • | Other furniture related services |
| Company Name | QUALIA CONSULTING Inc. |
| Representative Director |
OTSUKA Kumiko |
| Year of Establishment | July, 2005 |
| Capital | 10 million yen |
| Address | 1-103-2505 Kanda-Jimbocho, Chiyoda-ku, TOKYO 101-0051 JAPAN |
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