List of directors general of CERN
CERN Directors General typically serve 5 year terms beginning on January 1. During the 1970s CERN had co-directors.
- Edoardo Amaldi 1952-1954
- Felix Bloch 1954-1955
- Cornelis Bakker 1955-1960
- John Adams 1960-1961 (Acting Director)
- Victor Frederick Weisskopf 1961-1965
- Bernard Gregory 1966-1970
- Willibald Jentschke 1971-1975
- John Adams 1971-1975
- Léon van Hove 1976-1980
- Herwig Schopper 1981-1988
- Carlo Rubbia 1989-1993
- Christopher Llewellyn Smith 1994-1998
- Luciano Maiani 1999-2003
- Robert Aymar 2004-2008
- Rolf-Dieter Heuer 2009-present
- Fabiola Gianotti 2016
- Boris Lemmer 2020