Harm Peter Hofstee (born 1962) is a Dutch physicist and computer scientist who currently is a distinguished research staff member at IBM Austin, USA, and a part-time professor in Big Data Systems at Delft University of Technology, Netherlands.

Hofstee is best known for his contributions to Heterogeneous computing as the chief architect of the Synergistic Processor Elements in the Cell Broadband Engine processor used in the Sony PlayStation 3,[1][2] and the first supercomputer to reach sustained Petaflop operation.

After returning to IBM research in 2011 he has focused on optimizing the system roadmap for big data, analytics, and cloud, including the use of accelerated compute.

[6] He joined Caltech as a lecturer for two years and moved to IBM in the Austin, Texas Research Laboratory, where he had staff member, senior technical staff member and distinguished engineer positions.

Since 2011, Peter is leading the Big Data system design work at IBM.