William Robert Greer was an Irish-born agent of the U.S. Secret Service, best known as being the driver of President John F. Kennedy's presidential limousine in the motorcade through Dealey Plaza in Dallas on November 22, 1963, when the president was assassinated.
- Occupation
- U.S. Secret Service agent
- Citizenship
- Ireland, United States
- Born
- September 22, 1909
- Died
- February 23, 1985
