This document discusses the process of intervening to change a team's culture using the freeze-unfreeze-refreeze model. It first explains that a team's current culture is like a frozen system that is difficult to change. The unfreeze stage involves dismantling the old culture and developing a new, more desired culture, which comes with challenges. The refreeze stage is about solidifying the new culture by establishing desired characteristics and benchmarks to ensure the team stays on track towards the new culture. Participants are instructed to reflect on and discuss four questions relating to assessing their current culture, changing to a new culture, defining the new culture, and tracking progress.