“…One of them are so-called change agents, which can be conceptualized as different types of individual policy actors. Besides the notion of policy entrepreneurs, which is commonly referred to in public policy research (Arnold, 2022;Harvey-Scholes et al, 2022;Petridou et al, 2021;Tang & He, 2023;Taylor et al, 2023), Liefferink and Wurzel (2017) have introduced the concepts of leaders and pioneers. In this EPA issue, Watanabe (2023) provides an in-depth analysis of wind energy policy-making within the context of the German energy transition ("Energiewende").…”