Yoshioka, who is a director and oversees the business division as a CAO, worked as the chief investment officer of Meiji Life Asset Management New York after working for Nomura Securities and Meiji Life Insurance Mutual Company. He also worked as the director of the Meiji Dresdner Asset Management Portfolio Management Department, and served as General Manager of Sumitomo Asset Management and Investment Planning Department and General Manager of Credit Management Department. He is also the executive director of the corporate pension fund of the Automobile Promotion Association. In February 2021, he joined the management of TRADOM Inc.

Hitotsubashi University, Department of Business Administration, Faculty of Commerce (B.A., 1982)