Johannes Kals is a professor of business administration in sustainability and energy management, at the University of Applied Sciences in Ludwigshafen, Germany. He served as a vice president of the university for an election period. Previously, he worked as a consultant in Cologne with the Gerling Consulting Group in the field of environmental management. He received his PhD at Technical University Berlin, and did research in California and Massachusetts. He holds a diploma in business from Technical University Aachen and was a faculty member at the University of Duisburg-Essen.