Tetsuro Yamaguchi is on the board of NTT DATA Corp. and Dimension Data Plc.

In his past career he occupied the position of Vice President-Enterprise Division at Nippon Telegraph & Telephone Corp. President & Chief Executive Officer for NTT America, Inc. and Director at Dimension Data Holdings Plc (both are subsidiaries of Nippon Telegraph & Telephone Corp.).

Tetsuro Yamaguchi received an undergraduate degree from Waseda University and an MBA from MIT Sloan School of Management.