Short biography: Stephen has been working for Vestas since 2012. Originally working in the blades design area on sensors systems, he now works in the blades protective functions team and has technical responsibility for the cold climate blade systems. Previously he has worked in academia on optical fibre technologies and monitoring systems and in the power industry for GE – online transformer monitoring systems, and for Pirelli Cables – real time thermal monitoring systems. He holds a PhD from Cranfield University in optical fibre sensors, and an MSc. and a BEng from the University of Portsmouth in Electrical and Electronic Engineering. He enjoys running up hill, jumping in the sea and spending time with the family.