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Although management scholars have embraced grand challenges research, in many cases, grand challenges have been treated as merely a context for exploring extant theoretical perspectives. By comparison, our approach – robust action – provides a novel theoretical framework for tackling grand challenges. In this invited article, we revisit our 2015 model, clarifying and elaborating its key elements and taking stock of subsequent developments. We then identify three promising directions for future research: scaffolding, future imaginaries, and distributed actorhood. Ultimately, our core message is remarkably simple: robust action strategies – participatory architecture, multivocal inscription and distributed experimentation – jointly provide a means for tackling grand challenges that is well matched to their complexities, uncertainties, and evaluativities.

Supply chains in East Asia are being redesigned following the reassessment of the risk of disruption through terrorist attacks. The nature of these risks and of the costs of the private sector responses is reviewed. The research available suggests the costs incurred are substantial. Government regulation applied to security matters also applies within supply chains. It too has been redesigned in response to the change in the risk of terrorist attacks. Examples of its impacts, and its costs and benefits, are presented. Relevant empirical work remains scarce, but principles for government's role can be identified.

Scalar terms, such as “local” and “global,” “big” and “small” are fundamental in how academics and practitioners make sense of and respond to grand challenges. Yet, scale is so taken-for-granted that we rarely question or critically reflect on the concept and how it is used. The aim of this paper is to identify scale as an important concept in research on grand challenges and to point out why taking scale for granted can be problematic. In particular, I suggest that to date most research on grand challenges sees scale as a fundamental ontological feature of the world. Yet, scalar categories and hierarchies are not as self-evident and given as they may seem. Moreover, taking scale as an ontological fixed category limits our ability to make sense of, theorize and respond to grand challenges. As an alternative, I suggest seeing scale as an epistemological frame that participants employ in their everyday practices to make sense of, navigate and develop solutions to grand challenges. The chapter concludes with a research agenda for studying scale as socially constructed in practice.

Organization and management scholars are increasingly interested in understanding how “fluid” forms of organizing contribute to the tackling of grand challenges. These forms are fluid in that they bring together a dynamic range of actors with diverse purposes, expertise, and interests in a temporary and nonbinding way. Fluid forms of organizing enable flexible participation. Yet, they struggle to gain and sustain commitment. In this case study of the SDG2 Advocacy Hub, which supports the achievement of zero hunger by 2030, we explore how the temporality of narratives contributes to actors’ commitment to tackling grand challenges in fluid forms of organizing. In our analysis, we identify three types of narratives – universal, situated, and bridging – and discern their different temporal horizons and temporal directions. In doing so, our study sheds light on the contributions by the temporality of narratives to fostering commitment to tackling grand challenges in fluid forms of organizing. It suggests the importance of considering “multitemporality,” i.e., the plurality of connected temporalities, rather than foregrounding either the present or the future.