Koen Mouthaan received the M.Sc. and Ph.D. degrees in electrical engineering from Delft University of Technology in the Netherlands. He worked at TNO Defense, Safety and Security in the Netherlands, and at SkyGate, a company that designed phased-array antennas for consumer applications. Between 2003 and 2015 he was assistant professor and associate professor in the Department of Electrical and Computer Engineering at the National University of Singapore. He rejoined the department in 2016. His research interests include microwave and millimeter-wave circuits and systems, phased array antennas, digital beamforming, design and innovation.