Former Associate Research Fellow, Security Studies Center


Vivien Pertusot was an Associate Research Fellow at Ifri from 2017 to 2020. He was Head of Ifri's Brussels Office from 2011 to 2017. He coordinates Ifri's research programme "REcalibrate Security in Europe and in the Transatlantic area" (RESET), which focuses on defence policies and defence cooperation in Europe. He is also the coordinator of the project "Building Bridges between National Perspectives on the European Union". 

His research primarily looks at issues related to the future of the European Union, security and defence policies in Europe and the relations between the United Kingdom and the European Union. He previously worked at NATO and Carnegie Europe. He has a Master's degree in Middle Eastern Politics and History from King's College London and in International Relations from IRIS Sup in Paris. He has also studied for a year at Southwestern University in Georgetown, Texas. His publications have appeared in Le MondeLe FigaroEuropean GeostrategyAtlantico, RUSI, Carnegie Europe and others. He is frequently interviewed by the French and international press. 

All my publications

In the week following Trump’s election, Ifri published a study to identify the likely changes in U.S. foreign policy. From the outset, this election appeared as a change in the U.S.’ trajectory, with consequences on the power relations and functioning of the international system.


France’s current presidential campaign has created an unprecedented situation fuelled by revelations and a total absence of restraint, but it has not truly taken account of the disruptions of the last year: Brexit, the attempted coup in Turkey, the election of Donald Trump, the recapturing of...


Europe’s southern neighbourhood is a diverse but interlinked geopolitical ensemble, whose specificities need to be carefully assessed before Europeans devise dedicated security strategies, divide responsibilities and make policy decisions.


What will become of US foreign policy under Donald Trump? A selection of Ifri researchers has come together to offer their thoughts on this question. Our experts cover an array of topics through 14 contributions, ranging from the future Sino-American relations, through US engagement in the...

All my medias
By: Vivien PERTUSOT, dans Politico, propos recueillis par Pierre Briançon. 

 In a few days’ time, the populist conservative Boris Johnson may well be on his way to becoming British prime minister. And the radical left Podemos movement could be close to the reins of power in Spain. There is the question of what role the current EU institutions ...

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By: Vivien PERTUSOT, on Polskie Radio, interviewed by Beata Płomecka, via EuranetPlus.

The consultations on Cameron’s demands were run with the EU members by the head of the European Council, Donald Tusk from Poland. Tusk wrote down what was said and sent a letter to London and other European capitals. The letter was quite peculiar, admits Vivient Pertusot, the head of the...

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