NTT DATA Leaders

Senior Executive Vice President & Representative Director
Shigeki Yamaguchi

As senior executive vice president and representative director of the board, Shigeki Yamaguchi is responsible for Japan's Public & Social Infrastructure and Enterprise & Solutions Segments. Additionally, he oversees NTT DATA's business in China and Asia Pacific where he has expanded both revenue and profit.

Before his current position, Mr. Yamaguchi served as head of the IT Services & Payments Services Sector and as head of the Enterprise Business Consulting and Marketing Sector.

Mr. Yamaguchi has extensive experience in developing new business markets, digital transformation, driving NTT DATA's strength in business consulting, ERP, e-Commerce, Customer Experience and payment services. In 2009, he led the establishment of QUNIE Corporation, an IT and management consulting company and a 100%-owned subsidiary of NTT DATA, specializing in business strategy and transformation.

Mr. Yamaguchi joined Nippon Telegraph and Telephone Public Corporation (known as NTT) in 1984 after graduating from Hitotsubashi University with a bachelor's degree in economics.

Mr. Yamaguchi is the author of "The future of management in digital economy – Economy of Wisdom™", in which he shares his insights into strategic management in the digital economy.