Tomio Sumiyoshi has been head of Greenwich Associates Japan since 1996. He consults with investment management, corporate finance, fixed-income, and equity clients in Japan.

Prior to joining the Firm, Tomio was a lecturer at Columbia University and worked at a New York investment advisory boutique before founding Paragate Consultants.

Tomio earned his BA and MPhil from Sophia University (Japan) and a MA/Ed.M. from Columbia University.