Professor Gehan Amaratunga is the Group Leader of the Electronics, Power and Energy Conversion (EPEC) Research Group, Electrical Engineering Division, Cambridge University Engineering Department. He is also a Fellow of Churchill College, Cambridge. He has published over 450 research articles in journals and conference proceedings. Professor Amaratunga is a Fellow of the Institute of Electrical Engineers and a Chartered Engineer. He was elected a Fellow of the Royal Academy of Engineering in 2004. Then in 2007 he was awarded the Royal Academy of Engineering Silver Medal ‘for outstanding personal contributions to British Engineering’. Research interests include: Nanoscale materials and device design for electronics and energy conversion. Novel materials and device structures for low cost, high efficiently solar cells. Power electronics for optimum grid connection of large photovoltaic electric generation systems. Integrated and discrete semiconductor devices for power switching and control.