Edwin Locke is an American psychologist best known for his work in the field of goal-setting theory. He proposed that specific and challenging goals, along with appropriate feedback, can lead to higher performance. His research has significantly influenced organizational psychology and management practices. Locke's contributions extend to the study of motivation and the importance of self-efficacy. He collaborated with other psychologists, including Gary Latham, to further explore how goal-setting can enhance individual and team performance in various settings, including business and education.