Hiroshi Sakamoto has served as senior vice president and general manager, Toshiba Nuclear Energy Holdings (US) Inc., a subsidiary of Toshiba Corporation, since April 2007. Since April 2008, Mr. Sakamoto has also served as senior vice president and board director, Toshiba America Nuclear Energy Corporation, also a subsidiary of Toshiba Corporation. Mr. Sakamoto joined Toshiba Corporation in April 1981 and has held a variety of positions of increasing responsibility over his career, including vice president for Nuclear Business Development from April 2003 to September 2009 and senior manager for Nuclear Energy Engineering from October 2001 to March 2003 at Toshiba International Corporation, a subsidiary of Toshiba Corporation focusing on the energy business. Mr. Sakamoto has a Bachelors Degree and a Masters Degree in Nuclear Engineering from Kyoto University.