Tatsuo Nishiki was born in 1981 in Saitama, Japan. He received the B.S. degree in engineering and the M.S. degree in engineering from Osaka University, Osaka, Japan, in 2005, 2007, respectively.
In 2007, he joined Fujitsu Ltd., Shiodome, Japan, Where he worked on the development of high performance science applications. From 2012 to 2019, he engaged in the development of "K" computer.
ACM Gordon Bell Finalist