Hiroshi Okazaki received the B.E. and M.E. degrees from Osaka University, Osaka, Japan, in 1988 and 1990, respectively, and Dr. Eng. degree from Tokyo Institute of Technology, Tokyo, Japan, in 2011. In 1990, he joined NTT Radio Communication Laboratories, Kanagawa, Japan, where he was engaged in research on RF circuits and equipment for several kinds of wireless communication systems. During 2001–2003, he was with NTT Electronics Corporation (NEL), Tokyo, Japan, where he was engaged in development of ultra-high-speed electronic devices for photonic communication systems. Since 2003, he has been with NTT DOCOMO, Inc., and involved in research on RF circuits for mobile communication systems. Dr. Okazaki was the recipient of the 1997 Young Engineer Award presented by the IEICE, the Japan Microwave Prize at the 1998 Asia-Pacific Microwave Conference, the 2011 IEICE Achievement Award, and the 2012 IEICE Best Paper Award. He is a senior member of the IEEE and the IEICE, and a member of European Microwave Association.