- Bats Left, Throws Left
- School Southern Methodist University
Outfielder Bill Rainer made the Pioneer League All-Star team in 1967. He led outfielders in fielding percentage (.966) and putouts (111), led the league in hits (84) and tied G. Mike Floyd for the lead in total bases (110). Rainer was fourth in the PL in average as a member of the Ogden Dodgers. In 1968, he batted .265 for the Bakersfield Dodgers.
William Rainer received his B.A. and M.B.A. degrees from SMU. While a student, he lettered in basketball and baseball, and for several years he played for the Los Angeles Dodgers organization. Mr. Rainer is a co-founder of Greenwich Capital Markets, Inc. and a past member of the SMU Board of trustees. He was appointed by President Bill Clinton to be chairman of the United States Enrichment Corporation and completed his public service as chairman and CEO of OneChicago, a joint Futures Trading Commission in 2001. Currently, he is chairman and CEO of OneChicago, a joint venture of the three Chicago derivatives exchanges. Carolyn Mattson Rainer received her B.A. degree from SMU and her M.S.W. degree from Columbia University. They have three children.