What happens when a German engineer insists a safety rule must always be followed, but her Brazilian colleague argues that this particular situation calls for an exception? Or when a Swedish manager wants to treat work and personal life as completely separate, but his team in Saudi Arabia sees every relationship as a whole that cannot be split into pieces? These tensions are not just personality clashes — they are cultural patterns. In this chapter, we explore a powerful framework for understanding them, developed through decades of research with managers across the world.