Christina Roth is Full Professor at the University of Bayreuth (Germany), where she is the Chair of Electrochemical Process Engineering. Jens Noack is Adjunct Associate Professor at the University of New South Wales in Sydney (Australia) and works at the German Fraunhofer Institute for Chemical Technology in the Department of Applied Electrochemistry. Maria Skyllas-Kazacos is Professor Emeritus in the School of Chemical Engineering at the University of New South Wales in Sydney (Australia), where she has been a member of the academic staff since 1980.