When an organization is affected by a sudden market disruption – such as when a dominant market collapses or changes radically – the Chief of Staff (CoS) is crucial in leading the work on long-term survival strategies. The CoS immediately initiates a strategic analysis of the market situation, identifies new risks and opportunities, and coordinates cross-functional teams to quickly develop alternative business models or revenue streams. The CoS leads scenario exercises to test different strategic paths and ensures that decision-making is data-driven and inclusive. In collaboration with management and the board, the CoS develops an action plan that may include restructuring, innovation, partnerships, or geographic diversification. The CoS is also responsible for communicating the changes clearly to employees, customers, and other stakeholders, as well as monitoring and adjusting the strategy based on new insights. By combining rapid analysis, clear communication, and the ability to mobilize the entire organization, CoS can ensure that the company not only survives the crisis but also strengthens its competitiveness in the long term.