| 2024- | CEO, Aspire Tokyo Co., Ltd. |
| 2019-2023 | Senior Vice President, Representative for Power Solution Group, Mitsubishi Corporation Americas <Silicon Valley, Houston> |
| 2015-2018 | Founding CEO, MC Retail Energy Co., Ltd. (Power retail business) |
| 2013-2015 | Executive Vice President, Japan Facility Solutions Co., Ltd. (Demand-side Energy Consulting Services) |
| 2010-2012 | Team Leader, Carbon Emission Reduction Business, Mitsubishi Corporation <Tokyo> |
| 2007-2010 | Department Manager, Biofuel Business, Mitsubishi International Corporation <New York> |
| 1991-2007 | Engaged in Credit Card Business, IT Business, Mitsubishi Corporation <Tokyo, Shanghai> |
