Hiromasa Yonekura (米倉 弘昌, Yonekura Hiromasa, March 31, 1937 – November 16, 2018)[1] was a Japanese businessman.

[3] Yonekura received a bachelor's degree in law from University of Tokyo in 1960.

He received his master's degree in 1964 from Duke University, where he subsequently he earned his PhD.

[4] Yonekura joined Sumitomo Chemical in 1960 and worked his way up through the ranks to become president in 2000.

This Japanese business–related biographical article is a stub.