David A. Bratman is an American philosopher known for his work in the fields of philosophy of action, decision theory, and the philosophy of language. He has contributed significantly to discussions about rationality and the nature of belief, often exploring how individuals make choices and form intentions. Bratman is also recognized for his development of the concept of shared intention, which examines how people coordinate their actions in social contexts. His research has implications for understanding cooperation and communication, making it relevant to fields such as social psychology and cognitive science.