Donald O. Clifton (February 5, 1924 – September 14, 2003) was an American psychologist, educator, author, researcher, and entrepreneur.
Clifton joined the United States Army Air Forces during World War II, where he earned the Distinguished Flying Cross.
[5] Under Clifton, Gallup expanded beyond public opinion polls, entering the management consulting business.
[4] Gallup consulted with companies on ways to improve their businesses by homing in on their employees' strengths.
[5] Following his death, Gallup and the Clifton Foundation donated $30 million to the University of Nebraska–Lincoln to create the Don Clifton Strengths Institute, focusing on early identification and development of future entrepreneurs.