From 2011 to 2019, Sylvie Bermann was Ambassador Extraordinary and Plenipotentiary of France in three UN Security Council member countries : China (2011-2014), the United Kingdom (2014-2017) and Russia (2017-2019). She is always the first woman to hold this position.
She is currently Chairman of the Board of Directors of the IHEDN (Institut des hautes études de défense nationale).