Richard Barrett (born 7 March 1945), is a British author who writes about leadership, leadership development, values, consciousness as well as cultural evolution in business and society. He is responsible for developing the theory of the Universal Stages of Evolution, the concepts of personal and cultural entropy, and creating assessment instruments (based on Maslow's hierarchy of human needs and models of higher consciousness) to map the values of individuals, organisations, communities and, nations to the Seven Levels of Consciousness Model. He founded the Barrett Values Centre in 1997.