He was born in the city of San Nicolás de los Arroyos, Province of Buenos Aires, on December 2nd, 1937.
He attended primary and secondary studies at Champagnat school (Buenos Aires) and at Carmen Arriola de Martín school (San Isidro).
He graduated as a Lawyer from the School of Law and Social Sciences of the University of Buenos Aires in 1966, and he holds a PhD in Law and Social Sciences, with Administrative Law and Administration Sciences as specialty fields.
From 1983 to 1989, he worked at the Federal and Criminal Courts of Original Jurisdiction of the Capital City, where he moved up to the position of Deputy Clerk.
As from 1996, he served as a teacher in the subject of Administrative Law of the School of Law of the University of Buenos Aires, under the direction of Professors Miguel S. Marienhoff, Jorge Tristán Bosch, Manuel María Diez and Pedro Aberastury, who were at the time the most renowned and prestigious lawyers in Argentina and Ibero-America at large.
Later on, he chaired this subject said university, as well as at other schools of private universities, namely, the Argentine Pontifical Catholic University, the University of El Salvador, and the University of the Argentine Social Museum. From 1972 to 1983, he headed the Specialization Studies in Administrative Law and Administration Sciences. He served as Dean of the School of Law of the University of the Argentine Social Museum.
His activity in the public sector (1966-1976) had an intense and varied nature: He served as Attorney representing the State, General Director of Legal Affairs of the Ministry of Industry and Mining, Technical Assistant Secretary of the Department of Industrial Development and, finally, Assistant Secretary of Mining, which allowed him to gain a valuable experience, which he always combined with his teaching, studying and researching activities.
When he concluded his work in the public sector, he devoted himself to practising his profession in the private sphere of law practice, as a Partner in the Sáenz Valiente, Padilla & Cassagne law firm (1977-1983).
In 1983, he founded the Estudio Cassagne & Associates (1983-1991), a law firm which reached an utmost excellence and specialization level.
His business and professional experience is completed by his being a founding partner of Cárdenas, Cassagne & Associates law firm in 1991, and, since 1992, by his having held office as a member of the Board of Directors, President or Auditor, respectively, of gas and electric power distributing companies in the city of Buenos Aires and in the Greater Buenos Aires. He served as Chairman of the Board (1992-1998) of the Natural Gas Distributing Company (Metrogas) in Buenos Aires. In 1999, he was appointed Chairman of the Board of Aguas Argentinas S.A. (water supply company) and member of the Board of Directors of the Institute for Business Development in Argentina (IDEA). He served as Auditor of Edenor (electric power supply company) from 1992 to 2001, and of Edesur (electric power supply company) from 2001 to 2003; he also served as a member of the Board of Directors of Telefónica Argentina (Telecommunications company) from 2000 to 2003.
He is a member of the most renowned business associations, including the Argentine Chamber of Commerce, the Argentine Industrial Union (UIA), the Argentine Business Association (AEA), the International Law Association, the French-Argentine Chamber of Commerce and Industry, and he was appointed Vice-President of the Ibero-American Association of Regulatory Studies.
He has served and still serves as consultant of the Association of Argentine Journalism Entities (ADEPA), and of the Association of Newspaper Publishers of the City of Buenos Aires, and participates in numerous seminars and meetings dealing with freedom of expression and mechanisms to protect it.
He presided over the Argentine Association of Administrative Law for two periods, where he organized very important seminars and congresses. Jointly with Professor Jesús González Pérez, from Spain, he directed, for several years, the Hispanic-Argentine Conferences on Administrative Law, which were attended by the most renowned specialists in this field.
He has carried out teaching, scientific, and academic activities at the National University of the Cuyo Region (Province of Mendoza), and at the University of FASTA (Mar del Plata, Province of Buenos Aires), among others.
He served as Director of the Administrative Law Institute “Professor Rafael Bielsa” and of the Specialization Course in Administrative Law (1974-1983), of the University of Buenos Aires.
He serves as Guest Lecturer at the University of Paris X (Nanterre, France) and of the University of Pau (France); of the following Spanish universities: Autonomous of Madrid, Salamanca, San Pablo Ceu, La Coruña, Navarra, Valladolid, Escola Galega de Administración Pública; and of several other universities in Ibero-America, such as: Pontifical Catholic University of Chile, University of the Republic (Uruguay), University of the State of Río de Janeiro, Catholic University of the same city, and the Colegio Mayor de Nuestra Señora del Rosario of Bogota, where he was honored with the title of Honorary Professor in 1984 for his “relevant academic merits” in the field of public law. Since 2005, he has been a member of the Scientific Committee of the University of Salamanca in Argentina.
His activity directing post-graduate and PhD courses at different universities from Argentina and abroad was extensive and varied, at different universities from Argentina and abroad.
He took part in numerous commissions for drafting bills, some of which were effectively enacted, such as the National Law on Expropriations, the Basic Legal System Governing the Public Function, the Administrative Code of the Province of Buenos Aires, and the Law on Administrative Procedure of the Province of Santiago del Estero.
He founded the Magazine of Administrative Law, a specialized quarterly publication which has been published since 1989, and is currently its Director.
He is the Director of the Administrative Law Institute of the National Academy of Law and Social Sciences of Buenos Aires, and he is a member of the Academic Council of the Master’s Program in Administrative Law of the Austral University.
He is a Fellow of the National Academy of Law and Social Sciences of Buenos Aires.
Honorary Scholar of the Real Academy of Jurisprudence and Legislation, and Corresponding Scholar of the Royal Academy of Moral and Political Sciences, both of them based in Madrid.
Member of the International Academy of Comparative Law (AIDC), based in Paris, and of the Inter-American Academy of International and Comparative Law.
Founding Partner of the Cassagne Abogados law firm. Currently, he exercises his profession actively in the field of advisory services to companies in relation with the Public Administration, as well as in the Administrative legal field (2005).
AWARDS & RECOGNITIONS
For his scientific activity in the field of the Administrative Law, he was awarded a series of prizes, among which, the 1st Prize at the Esq. Diez Competition, organized by the Association of Lawyers of the City of Buenos Aires, is worth mentioning.
In 1996, he received the Platinum KONEX award in the field of “Administrative, Tax, and Criminal Law”.
In 2001, he was elected as one of the top personalities in the Argentine and comparative public law, and was elected by the English magazine “Chambers and Partners” (London) as one of the most renowned 100 lawyers in the world.
He was awarded the order of Knight of the Legion of Honor by the Government of France, in 2003.
In 2012, he was named “Lawyer of the Year 2012” by the Best Lawyers publication.
Recently, he was named Honorary Scholar of the Peruvian Academy of Law (2014).
French, intermediate level.