A native of Verona, Italy, Dr. Capecchi joined relatives in the United States after living as an orphan during World War II. He earned an undergraduate degree from Antioch College and a doctorate in biophysics from Harvard University in 1967, where he studied with Nobel Prize-winning genetics giant Dr. James D. Watson. He joined the University of Utah as a professor of biology in 1973, and became a professor of human genetics in 1989. He was named distinguished professor of Human Genetics and Biology in 1993.
Dr. Capecchi is the first holder of the Helen Lowe Bamberger Colby Presidential Endowed Chair in Health Sciences at the University of Utah, which recognizes and supports his programs in human genetics. Among the many honors Dr. Capecchi has received are the Bristol-Myers Squibb Award for Distinguished Achievement in Neuroscience Research in 1992, the 1994 General Motors Corporation's Alfred P. Sloan, Jr., Prize in cancer research, and the 1996 Kyoto Laureate Prize, Japan's highest award for lifetime achievement.