Team and organizational culture are shaped by shared perceptions, norms, roles, and patterns of interaction. Organizational culture provides stability and is shared among all members. Dimensions of organizational culture include individualism vs collectivism, power distance, and risk tolerance. Comparing the US and Japan, the US values individualism and risk-taking while Japan values collectivism, high power distance, and risk avoidance. Organizational culture can help or hinder teamwork and cultural change requires communication and action over the long term. Transnational teams face challenges from cultural differences that effective leadership and developing a hybrid culture can help address.