Dr. Bill Chappell




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DARPA, Microsystems Technology Office (MTO)

Dr. Bill Chappell

Dr. William Chappell is Director of the Microsystems Technology Office (MTO). Serving in this position since June 2014, he has focused the office on three key thrusts important to national security. These thrusts include ensuring unfettered use of the electromagnetic spectrum, building an alternative business model for acquiring advanced DoD electronics that feature built-in trust, and developing circuit architectures for next-generation machine learning. Under Dr. Chappell’s leadership, MTO is striving to develop the basic underpinnings of computation and sensing needed for an effective, information-driven military. As our daily activities rely more and more on the digital realm, these technologies will also impact society as a whole.


Before joining DARPA, Dr. Chappell served as a professor in the Electrical and Computer Engineering department of Purdue University, where he led the Integrated Design of Electromagnetically-Applied Systems (IDEAS) Laboratory. Dr. Chappell’s research focused on high-frequency components, specifically the unique integration of RF and microwave components based on electromagnetic analysis. This research ranged from advanced RF sensors, including a specific application in the analytic technique known as RF Ion Trap Mass Spectrometry, to advanced digital-at-every-element RF antenna arrays. Dr. Chappell and his research group also conducted extensive investigations into the development of adaptable RF systems, particularly focusing on tunable preselect filters.


Dr. Chappell is the recipient of numerous research and teaching awards. He received his Bachelor of Science (summa cum laude), Master of Science, and Doctorate of Philosophy degrees in Electrical Engineering, all from the University of Michigan.