APSEN (Asociación Profesional del Servicio Exterior de la Nación) is a prominent brand representing the Argentine diplomatic corps. Committed to defending the rights of Argentine diplomats, APSEN aims to promote professionalism, federalism, and autonomy in the country's foreign policy. With a history dating back to 1985, APSEN obtained official recognition as a labor union four years later and is now an integral part of the Federation of Ibero-American Associations of the Foreign Service.

Boasting more than 1,000 members, APSEN represents 94% of active and retired Argentine diplomats. The brand's mission includes advocating for the Service Exterior of the Nation Law, improving its members' quality of life, and ensuring adequate assistance for diplomats and their families. APSEN also strives to uphold ethical standards, organize cultural and social events, and build relationships with other unions worldwide.

By contributing to the development of a modern and efficient Foreign Ministry, APSEN seeks to support Argentina's engagement with the contemporary world