Mr Julio Caballero > Mitrani Caballero & Ruiz Moreno Abogados > Buenos Aires, Argentina > Lawyer Profile

Mitrani Caballero & Ruiz Moreno Abogados

Work Department

Labour and Social Security / Litigation, Arbitration and Dispute Resolution


Partner. Head of the Labour and Social Security Law practice at Mitrani Caballero & Ruiz Moreno.


Julio Caballero is a renowned specialist in employment, collective bargaining and social security matters with a vast domestic and cross-border experience in such areas.

Prior to co-founding the firm, he was a partner and leader of the Labour and Social Security Law practice at Bruchou, Fernández Madero, Lombardi & Mitrani (2005-2007). He was Labour Law Manager of the Techint Group Legal Department (1987-2005). He also served as an officer at the National Labor Courts (1980-1987). He is an international advisor in labour law and social security matters and regularly participates in collective bargaining agreements in several countries.

In addition, he has a well recognized experience in advising clients on labour and social security issues in connection with M&As in different countries such as Brazil, Canada, China, Japan, Mexico, Romania, Peru, United Kingdom, United States and Venezuela, among others.

Julio Caballero is an advisor to the Unión Industrial Argentina (UIA) and the Secretary of its Social Policy Department. He is also an advisor to the Asociación de Industriales Metalúrgicos de la República Argentina (ADIMRA) and a member of its negotiation committee on collective bargaining for the industry. He has been an advisor to the Cámara Argentina de la Construcción (CAC) and to the Cámara de Exploración y Producción de Hidrocarburos (CEPH), representing them on the negotiation of their collective bargaining agreements. He was part of the negotiating committee on numerous collective bargaining agreements by company and/or establishment. Additionally, he was a member of several tri-party technical commissions created to produce regulatory initiatives on the labor and social security field and is a technical advisor representing the manufacture industry to the Council for Employment, Productivity and Minimum Adjustable Living Wages.

Mr. Caballero has been a consultant for the International Labour Organization (ILO) and is also a professor of the post-graduate courses at the Universidad Católica Argentina (UCA) (Specialization in Labour and Social Security Law), Universidad Austral (Postgraduate Certification in Labour Law and Labour Relations) and Universidad Nacional de Tres de Febrero (Master in Labour Law and International Labour Relations).

He is the author of several articles and monographic works appearing in specialized publications and a frequent lecturer on matters related to his areas of practice.

Julio Caballero has been repeatedly recommended as one of the “Leaders in their field” (Labour & Employment-Argentina) by Chambers Latin America. He was appointed as one of the specialists in Management Labour & Employment by Who’s who: Argentina. Additionally, he has been recommended by international peers as one of the specialists within Labor & Employment Law, published by Best Lawyers.


Spanish and English


He is a member of the Argentine Association of Labour and Social Security Law (Asociación Argentina de Derecho del Trabajo y de la Seguridad Social – AADTySS) and of the National Academy of Law and Social Sciences (Academia Nacional de Derecho y Ciencias Sociales), Business Law Institute.

He is admitted to practice law in the City of Buenos Aires and in the Province of Buenos Aires.


Università di Bologna, ILO’s International Training Center in Turin and Universidad de Castilla-La Mancha (Specialization for Latin-American Experts in Labour Problems and Labour Relationships, 2000)

Asociación Argentina de Derecho del Trabajo y de la Seguridad Social (AADTySS) (Training directed by Antonio Baylos Grau, in connection with and as a consequence of the work “Derecho del Trabajo, modelo para armar”, 1995)

Universidad de Buenos Aires, School of Law (Specialization in Labour Law, 1981)

Universidad de Buenos Aires, School of Law (Abogado, with honours, 1980)

Lawyer Rankings

Argentina > Labour and employment

(Leading individuals)

Julio CaballeroMitrani Caballero & Ruiz Moreno Abogados

Mitrani Caballero & Ruiz Moreno Abogados advises on domestic and international employment and social security issues, ranging from day-t0-day employment work to the labour aspects of M&A deals. The team, which stands out for is ability to ‘interpret business needs and come up with creative ideas to solve complex problems’, has a strong track record in collective bargaining, contractual and relocation matters. Companies also seek the team out for counsel on managing industrial action, business downsizing and negotiating severance packages, restrictive covenants, confidentiality, non-disclosure, non-compete and non-solicitation agreements. Labour litigation and disputes in administrative and judicial proceedings constitute another area of expertise. ‘Reliable, professional and precise’ name partner Julio Caballero heads the practice with support from a strong bench of talent. Lorenzo Gnecco has focused his practice on collective bargaining and social security matters through a 40-year career, while Jorge Pico, who supports clients with a ‘wealth of experience’ and ‘technical excellence’, handles employment, collective bargaining, and social security work. Partners Felicitas de Achával, who has extensive experience in expatriations, international assignments, and M&A; labour disputes expert Rita Payarola; and social security and M&A lawyer Esteban Valansi round out a deep senior team which was further strengthened with the promotion of Ana Clara Gómez Casadei to the partnership in July 2022.