Jun. 2007

Associate Senior Vice President, General Manager, Consumer Business Sector,Member of the Board

Apr. 2007

Vice President, General Manager, Consumer Business Sector

Apr. 2005

Vice President, General Manager, Content and Media Business Sector

Apr. 2004

Vice President, General Manager, Content and Media Division

Apr. 2003

Vice President, General Manager, Contents Division, Solution Business Sector

Mar. 2002

General Manager, Contents Business Department, Contents Division

Jun. 2001

General Manager, Mobile Internet Business Department, "au" Product Planning Division