Dale T. Mortensen (2 February 1939 – 9 January 2014) was an American economist. He received the Nobel Memorial Prize in Economic Sciences. He was born on 2 February 1939, in Enterprise, Oregon, US. He got his BA in economics from Willamette University. He earned a Ph.D. from Carnegie Mellon University in Pittsburgh, Pennsylvania. In 1965, he started working at Northwestern University in Evanston, Illinois. He became a professor of managerial economics and decision sciences at Northwestern’s Kellogg School of Management in 1980, and he also directed the university’s social sciences program (1982–84, 1992–2000).