Widely known as a father of mobile Internet, thanks to founding of i-mode mobile Internet service in 1999. As Senior Vice-President, NTT DoCoMo, developed e-mail messaging (1999), ringtone downloading service (2000), JAVA based mobile application downloading service (2001), wallet phone service (2004) including e-money payment, and mobile credit service (2006). Independent board member for many IT-related corporates, including current six listed companies. Named one of the world's 25 most influential e-business leaders, Business Week (2001). Expert on the Internet and mobile multimedia globally.