SY Directors
- Robert L. Bannerman (1945–1947) father of third generation SY/DS agent
- Donald Nicholson (1948-1952)
- John Ford (1952–1953)
- Dennis Flinn (1953–1956)
- E. Tomlin Bailey (1956–1958)
- William O. Boswell (1958–1962) father of future DS Assistant Secretary of State, Eric J. Boswell
- Otto Otepka, Deputy Director (1959–1962)
- John Francis Reilly (1962–1963)
- G. Marvin Gentile (1964–1974) former FBI Special Agent and CIA Security Officer
- Viktor Dikeos (1974–1978)
- Karl Ackerman (1978–1982) former SY Special Agent and FBI Special Agent
- Marvin Garrett (1982–1983)
- David C. Fields (1984–1985)
Read more about this topic: Diplomatic Security Service