Klaus is a senior economist for the Swedish Energy Markets Inspectorate, the Swedish regulator for electricity, gas, district heating and cooling. Before joining the inspectorate, he worked for many years at the Swedish energy agency in a variety of roles spanning the breadth of the energy system, most recently as chief economist. He holds a doctoral degree in economics from Gothenburg University and an undergraduate degree in business administration. He has been involved in a variety of international cooperations among others with IEA, WEC and others.