Expert judgment refers to the process of relying on the insights and opinions of individuals who have specialized knowledge or experience in a particular field. This method is often used in decision-making, risk assessment, and forecasting, where the expertise of professionals can provide valuable perspectives that enhance understanding and guide actions. In various domains, such as medicine, engineering, and finance, expert judgment can help identify potential outcomes and inform strategies. It is particularly useful when data is limited or uncertain, allowing organizations to leverage the skills of subject matter experts to make informed choices based on their knowledge and experience.