Katsuyuki Koiso
A Graduate of University of Southern California in 1992
Focuses on providing information about America to expanding Japanese companies. A member of USC Alumni Association, California Society of Certified Public Accountants, volunteer for USC Admission Department, Optimist Club, and local politicians.

Tetsuro Arasawa
A Graduate of University of San José State University in 1985
Aims for perfect audits, consolidated financial statements, and income tax returns for expanding Japanese companies, as well as personal income tax returns for local employees.

Yuko Tomonaga
A Graduate of City University of Seattle in 2003
Born in Nagasaki, Yuko came to America after graduating high school. She values highly her interactions with clients, and works hard every day to be a valuable member of the team.

Tetsuohu Koiso
A Graduate of Keio University in 1963
A Graduate of California State University of Los Angeles in 1971
Tetsuohu became independent after working for eight years at Peat Marwick Mitchell & Company and Deloitte Touche Tohmatsu. He then established an office with Toshimichi Miyagijima.

He received a Certificate of Appreciation as a 40-year member from the California Society of Certified Public Accountants on December 30, 1977.