Mr Tero Karvinen is author and teacher. He has co-authored five books on rapid prototyping, including Amazon category best sellers "Make: Arduino Bots and Gadgets" and "Make: Sensors". His books have been translated to more than ten languages, including Chinese. He teaches Linux, configuration management and embedded systems in Haaga-Helia University of Applied Sciences in Helsinki, Finland. He previously worked as a CEO of a small advertisement agency.