Andrei Grebennikov, PhD, received his Dipl. Eng. degree in radio electronics from the Moscow Institute of Physics and Technology and his Ph.D. in radio engineering from Moscow Technical University of Communications and Informatics. He is an author and coauthor of more than 100 papers, holds 30 European and US patents, and has written 10 books dedicated to RF and microwave circuit design. He has lectured as a Guest Professor at the University of Linz.