After that, in 1992, she joined the Department of Economic Affairs, where she managed files relating to questions of international debt (Paris Club) and banks of development.

In 2002, she was an adviser to Pierre Sellal and Sylvie Bermann at the permanent representation of France to the European Union in Brussels and was part of the political and security committee.

In this capacity, she followed the implementation of the first military operations carried out under the European security and defense policy, in application of the Saint-Malo declaration in the Balkans and in Africa.

She followed in particular the question of Darfur, the setting up of a French, then European operation to fight against piracy in Somalia, and more generally the files relating to East Africa and to the Great Lakes region, particularly the Democratic Republic of the Congo.

[13] [14] In 2022, Le Gal was appointed Director General for the Middle East and North Africa of the European Union's External Action Service.