Ville Viikari was born in Espoo, Finland, in 1979. He received the M.Sc. (Tech.) and D.Sc. (Tech.) (with distinction) degrees in electrical engineering from the Helsinki University of Technology (TKK), Espoo, in 2004 and 2007, respectively. From 2001 to 2007, he was with the Radio Laboratory, TKK, where he was involved in antenna measurement techniques at submillimeter wavelengths and antenna pattern correction techniques. From 2007 to 2012, he was a Research Scientist and a Senior Scientist with the VTT Technical Research Centre, Espoo, where he was involved in wireless sensors, RFID, radar applications, MEMS, and microwave sensors. He is currently an Associate Professor and the Deputy Head of the Department with the School of Electrical Engineering, Aalto University, Espoo. His current research interests include antennas for mobile networks, RF-powered devices, and antenna measurement techniques. Dr. Viikari has served as the Chair for the Technical Program Committee of the ESA Workshop on Millimeter-Wave Technology and Applications and the Global Symposium on Millimeter Waves in 2011 and 2016, in Espoo, Finland. He was a recipient of the Young Researcher Award of the Year 2014, presented by the Finnish Foundation for Technology Promotion, the IEEE Sensors Council 2010 Early Career Gold Award, the 2008 Young Scientist Award of the URSI XXXI Finnish Convention on Radio Science, Espoo, and the Best Student Paper Award of the Annual Symposium of the Antenna Measurement Techniques Association, Newport, RI, USA, in 2005.