We are glad that this special issue takes up the activities of The Resilience Research Council of Japan (RRCJ). Twelve years have passed since the founding of the RRCJ. In addition to regular meetings at which experts from various fields participate in disseminating information, one of the RRCJ’s main activities is holding study groups to delve deeply into specific aspects of disaster preparedness. To respond to the intensification and frequent occurrence of disasters in recent years, it is urgent to review existing measures against disasters and business continuity plans (BCPs). Furthermore, comprehensive and flexible strategies should be developed to enhance disaster resilience. Each study in this special issue provides new perspectives and clues on this problem. First, the existing BCPs lack concrete measures from the perspectives of individual corporate departments and employees. To tackle this problem, new procedures are proposed to formulate BCPs based on the questions “What if?” and “What when?” This is expected to increase the effectiveness of BCPs. Second and third, comprehensive methods for evaluating resilience are lacking. As a result of an examination of the 13 current indexes of “Resilient Organizations” and the “Organization Resilience Index” of the British Standards Institution, it is revealed that some important elements are absent from the evaluation of corporate resilience. By complementing the corporate resilience model with these elements, the model can be improved. Furthermore, local governments must implement effective disaster countermeasures for those with limited resources in their disaster management plans. The fourth study evaluates disaster management measures from the point of view of both local governments and residents, and proposes innovative solutions to collaborate and organize, adapt to the environment, and manage for the next generation. This reveals the problems faced by local governments and residents’ lack of knowledge, and provides a roadmap for future improvements. Overall, these studies indicate that creating a resilience strategy involving all stakeholders is an urgent matter, provide valuable insight into the limits of current strategies, and offer guidelines for strengthening the important aspects of resilience so that corporations and local governments can respond to disasters more effectively. We expect that the effectiveness of disaster measures will be enhanced through incorporating these proposals and methods into practical policies and actual works. We sincerely thank all the contributors for their contributions to this special issue and the reviewers for their valuable comments.