At Yamaichi Securities Co., Ltd., he engaged in advisory services for financial improvement and other measures as well as fund procurement services, including structured finance, for financial institutions and corporate clients. At Credit Suisse Securities (Japan) Limited, he was consistently responsible for investment banking operations for the financial sector. This included advisory services for acquisitions and corporate mergers, arranging acquisition financing, leading and arranging fundraising through equity, bonds, and structured finance in domestic and international markets, and promoting collaborative business development with financial institutions. At Frontier Management Inc., he has established Business Development Division responsible for megabanks and regional financial institutions across Japan, providing a variety of solution functions to financial institutions and their customers.