Latin America
Practice Areas
His areas of practice include Administrative Law, Public Law, Constitutional Law, Public Procurement, Administrative Procedure, Public Contracts, Public Services Regulation, Comparative Administrative Law.
Professional Memberships
- Honorary Member, National Academy of Law and Social Sciences of Buenos Aires (President, 2022–2025).
- Honorary Academician, Royal Academy of Jurisprudence and Legislation (Madrid).
- Corresponding Academician, Royal Academy of Moral and Political Sciences (Madrid).
- Member, Colombian Academy of Jurisprudence; Peruvian Academy of Law; Academy of Political and Social Sciences of Venezuela; Mexican Academy of Jurisprudence and Legislation; National Academy of Law of Uruguay; National Academy of Legal Sciences of Bolivia.
- Member, International Academy of Comparative Law (Paris).
- Member, Inter-American Academy of International and Comparative Law.
- Full Member, National Academy of Sciences of Buenos Aires (since April 16, 2024).
- Honorary Member, Institute of Administrative Law, University of the Republic (Uruguay).
Publications
Author of more than 400 scholarly articles and over 30 books, including:
- Principialismo y las Fuentes de la Constitución Nacional (Ediar, 2023).
- Derecho Administrativo y Derecho Público General. Estudios y semblanzas (IBdeF, 2020).
- Curso de Derecho Administrativo, 13th ed. (Thomson Reuters, 2021).
- Os Grandes Principios do Direito Público (Contra Corrente, São Paulo, 2017).
- El Derecho Administrativo (Palestra, Lima, 2017).
- Temas del Derecho Público (IBdeF, 2017).
- El Estado Populista (IBdeF, 2017).
- Numerous edited collective works such as Tratado General de Derecho Procesal Administrativo (La Ley, 2011), Summa de Derecho Administrativo (Abeledo-Perrot, 2013), and Tratado General de los Contratos Públicos (La Ley, 2013).
Career
- Founder and Partner, Cassagne Abogados (1989–present).
- Director, Revista de Derecho Administrativo (1989–present).
- Director, Specialization in Administrative Law, University of Belgrano.
- Former Director, Institute of Administrative Law “Prof. Rafael Bielsa” (UBA).
- Former Professor of Administrative Law, University of Buenos Aires (1974–2004); Professor Emeritus (2024).
- Former Professor, Pontifical Catholic University of Argentina; Professor Emeritus (2008).
- Visiting Professor at Paris X (Nanterre), University of Pau, Autonomous University of Madrid, University of Salamanca, and others.
Personal
Born in San Nicolás de los Arroyos, Buenos Aires Province, Argentina, December 2, 1937.
Awards
Doctor Honoris Causa
Doctor Honoris Causa
2017
Doctor Honoris Causa
Universidad Abierta Interamericana
2018
Doctor Honoris Causa
Universidad del Museo Social Argentino
2023
Doctor Honoris Causa
Universidad Nacional Mayor de San Marcos, Peru
2025
Platinum Konex Award
Fundación Konex
1996
Lawyer of the Year (Administrative Law)
Best Lawyers
2018
Legion of Honour, Chevalier
Government of France
2003
Premio Justicia
Universidad de Ciencias Empresariales y Sociales
2022
Personality of the City of Buenos Aires in Legal Sciences
Legislature of the City of Buenos Aires
2022
Premio Rioplatense
Rotary Club
2024
Education
Universidad de Buenos Aires
Law Degree
1991 - 1996
Universidad de Buenos Aires
Doctorate in Law and Social Sciences (Administrative Law and Administrative Sciences)
1996
Experience
- Director of Legal Affairs, Secretariat of Industrial Development, Ministry of Economy.
- Undersecretary of State, Ministry of Industry and Mining.
- Extensive postgraduate and doctoral teaching in universities across Argentina, Latin America, Europe, and the United States.
Languages Spoken
Spanish and French