Dr. Andrei Grebennikov is an Engineering Fellow at RFaxis, Inc., Irvine, CA. Dr. Grebennikov has worked as an engineer and researcher for Skyworks Solutions, Woburn, MA, M/A-COM Eurotec, Ireland, Infineon Technologies, Germany/Austria, and Bell Labs, Alcatel-Lucent, Ireland, and has taught at the University of Linz in Austria, the Institute of Microelectronics in Singapore, and the Moscow Technical University of Communications and Informatics. He is an author or co-author of more than 80 technical papers, 5 books, and 15 European and US patents, and is a Senior Member of the IEEE and a Member of the Editorial Board of the International Journal of RF and Microwave Computer-Aided Engineering. He received his Dipl. Ing. degree in radio electronics from the Moscow Institute of Physics and Technology, and a Ph.D. in radio engineering from the Moscow Technical University of Communications and Informatics.