Geert Hofstede is a Dutch social psychologist known for his research on cultural dimensions theory. He developed a framework to understand how cultural values influence behavior in the workplace and beyond. His work is widely used in international business and cross-cultural communication. Hofstede identified several key dimensions of culture, including individualism vs. collectivism and power distance. These dimensions help explain how different cultures approach issues like authority, teamwork, and conflict. His research has had a significant impact on fields such as management and organizational behavior.