Jean Jacquinot is a French plasma physicist specialist in the confinement of fusion grade plasmas and heating with waves to thermonuclear temperature. His career developed first in Fontenay aux Roses France (1962 – 1982) as a physicist in the CEA fusion center then (1982 -1999) at the JET Joint Undertaking, the European fusion facility in Culham (UK), and finally in Cadarache first as the director of the CEA fusion institute (2000 – 2005) then as scientific advisor to the CEA chairman and expert to ITER (2005 – present)
In JET, he held successively the managerial positions of head of RF division, associate director responsible for operations, and finally JET director.