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Tetsuya Ishida

Senior Advisor

Mr. Ishida serves as Senior Advisor to the Executive Committee at DSAM, where he plays a key role in shaping and executing DSAM’s growth strategy. With over 30 years of experience as a senior partner at Deloitte, Tetsuya has deep expertise in tax planning, compliance, attestation of financial statements for public and private companies, and corporate finance strategies for multinational corporations. During his tenure at Deloitte, he led the Inbound Service practice and was a key leader in the Japanese and Korean Services Groups, overseeing and managing more than 100 professionals across the United States. His work has spanned mergers and acquisitions, transfer pricing structures, and optimizing global corporate frameworks, with a strong focus on heavy manufacturing, particularly within Pacific Rim industries. Beyond his corporate experience, he has been actively involved in academia, teaching in a graduate program at Loyola Marymount University, and has served on the boards of various nonprofit organizations in Southern California. His leadership, strategic insight, and commitment to excellence continue to drive innovation and growth within DSAM. Mr. Ishida is a Certified Public Accountant and holds a Master of Laws from University of San Diego, a Master of Business Administration from San Diego State University. He is a member of American Institute of Certified Public Accountants and California Society of Certified Public Accountants.

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