He joined Deloitte Touche Tohmatsu LLC, a member firm of Deloitte Touche Tohmatsu, and engaged in the auditing of listed companies. In 2012, he joined PricewaterhouseCoopers Hong Kong / China and worked as a manager of the Japanese business development department to support overseas expansion of Japanese companies in Hong Kong and China. In 2015, he established Lockhart Accounting Office and provided accounting, tax and human resource services for foreign companies in Japan. In 2016, he established an outsourcing base in Manila, Philippines and became the president. In 2019, he merged his business with Shiodome Partners Tax Corporation and became a senior partner. He graduated from Waseda University - Graduate School of Accountancy. He is a Certified Public Accountant (Japan / USA), tax accountant and an administrative scrivener.