Javier Cantero is a Spanish diplomat with foreign policy experience in Europe, Africa, Latin America, and the Mediterranean, and in multilateral and humanitarian affairs. He is a senior resident fellow at GMF. 

He has held various positions at Spain’s Ministry for Foreign Affairs headquarters in the units for Western Europe, international organizations, humanitarian action, and the United Nations. Cantero was a national delegate at the working parties of the Council of the European Union on humanitarian and multilateral affairs.

Prior to joining the German Marshall Fund, he was a senior advisor for the foreign affairs department in the Cabinet of the President of the Government, in charge of portfolios on Russia, Ukraine, Eurasian countries, the Middle East, and Canada. 

Cantero has also worked abroad as a resident representative of Spain to Liberia and Sierra Leone and at the Spanish embassies to Nigeria, the Dominican Republic, and Malta.

He studied political science and administration at Complutense University of Madrid and was an Erasmus student at the University of Konstanz in Germany, Huddersfield University in the United Kingdom, and the Institute of Political Studies in Grenoble, France. 

Before his Spanish diplomatic service, he was a foreign trade advisor for the Madrid regional government, working at the Spain-US Chamber of Commerce in New York and the Spanish Association of Publishers Guilds.

He is fluent in German, English, and French.