List of Directors General of CERN

CERN Directors General typically serve 5 year terms beginning on January 1.

• 1952–1954: Edoardo Amaldi
• 1954–1955: Felix Bloch
• 1955–1960: Cornelis Bakker
• 1960–1961: John Adams (Acting Director)
• 1961–1965: Victor Frederick Weisskopf
• 1966–1970: Bernard Gregory
• 1971–1975: Willibald Jentschke, John Adams (Co-directors)
• 1976–1980: Léon van Hove
• 1981–1988: Herwig Schopper
• 1989–1993: Carlo Rubbia
• 1994–1998: Christopher Llewellyn Smith
• 1999–2003: Luciano Maiani
• 2004–2008: Robert Aymar
• 2009–2015: Rolf-Dieter Heuer
• 2016–2020: Fabiola Gianotti