Despite the mounting evidence that innovation in management can fuel competitive advantage, we still know relatively little about how firms introduce new ways of managing. The goal of this introductory essay—and the Themed Section it introduces—is to advance this knowledge. To this end, we first synthesize the main developments in the field of management innovation and show that the field has branched into four main theoretical perspectives (rational, institutional, international business, and theory development perspectives). We then address the fragmentation issue that emerges from our review by proposing a co-evolutionary framework of management innovation that takes into account the dynamic and multilevel nature of the concept; we thus ...