Brian Vad Mathiesen, Professor in Energy Planning and Renewable Energy Systems at Aalborg University, is one of the leading researchers behind the concepts of Smart Energy Systems and electrofuels. He is on Thomson Reuters Highly Cited list, a global list of the top 1% cited researchers; a member of the EU Commission expert group on electricity interconnection targets in the EU, and Principal Investigator (PI) of the RE  -INVEST and sEEnergies projects. His research focuses on the technological and socio-economic shift to renewable energy (RE), large-scale integration of variable resources and the design of 100% RE systems.