John Mashey

John R. Mashey (born 1946) is an American computer scientist and technology executive recognized for his contributions to computer architecture, operating systems, and performance benchmarking. He earned a PhD in computer science from Pennsylvania State University, contributed to PWB/UNIX and authored the Mashey Shell at Bell Labs, and later held leadership roles at Convergent Technologies, MIPS Computer Systems and Silicon Graphics, where he helped design the MIPS RISC architecture. He founded the Standard Performance Evaluation Corporation and organized the Hot Chips conferences, and has been credited with popularizing the concept of big data in the 1990s.