| Company | Timeline | Status | |
| Japan Audit & Accounting LLP Designated LLP Member • Unreported | 2 Dec 2015←10 Years→Current | Active | |
| The Japan Society Director • Accountant | 4 Jun 2008←16 Years→20 Nov 2024 | Active | |
| Japan Europe Entrepreneurs Forum Limited Director • Accountant | 8 Oct 2003←7 Years→29 Nov 2010 | Active | |
| Japanese Financial Solutions Limited Director • Director | 13 Jun 2002←23 Years→Current | Active | |
