Steven Miller obtained his Bachelors degree of the University of Wisconsin and the Masters and Ph.D. degrees from Arizona State University. He is the founder and CEO of Aperio DSP. He works on the design of algorithms and software tools for GPS, MSK, PSK, AM and FM receivers. He served as a VP Engineering and Director of Technology at Hemisphere GPS. He previously worked at Sicom, Honeywell and Fairchild as a member of the engineering staff. His research interests are in DSP, Digital Communications, GPS systems and their implementations on various platforms including FPGAs. He co-developed advanced multi-frequency GNSS receiver including the analog frequency plan, digital baseband architecture, signal processing chip with hundreds of channels, and software based signal tracking algorithms. He has published in IEEE conferences and journals and he is the co-author of several patents.