Dr Teo worked at Nortel Networks for about 15 years where main R&D thrusts were in 3G and 4G Wireless Communication Systems and Mesh Networks. Currently working at Mitsubishi Electric Research Labs (MERL), Cambridge, MA, USA. He is one of the main authors of ANSI C63.17 for the unlicensed bands and a contributor to WiMAX and LTE standards in the PHY and MAC layers. He is author and co-author of over 150 reviewed journal and conference papers and three chapter books. In addition, he is also an inventor and co-inventor of over 200 granted patents and patent applications which span across areas that include Nano and Surface Physics, Superconductor, Thermal Physics, Semiconductor Power Devices, Metamaterial, Wireless Communications, Cognitive Radio, Game Theory, RF and Power Electronics, Battery Charging and Wireless Power Transfer, GaN technology, and motor technology. Currently he is working as a strategy project leader at MERL.