Estudio O'Farrell

Sebastián Luegmayer

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Practice Areas

His practice focuses on corporate finance, domestic and international debt, equity offerings, derivatives and structured products, project finance, exchange control regulation and general corporate law.


Partner of Estudio O´Farrell since 2014. In 2008 he worked as an international associate at the New York City office of Simpson Thacher & Bartlett LLP.

He represented YPF SA with its capital markets transactions on numerous occasions including the largest corporate offering in Argentine history, worth US$1.5 billion.

Professional Memberships

Member of the City of Buenos Aires Bar Association, the International Bar Association and International Swaps and Derivatives Association (ISDA).


Author of the book “Exchange Contracts and Financial Derivates” and published several articles in Argentina and abroad concerning the legal aspects of capital markets and financial matters.


Law Degree, Universidad de Belgrano. Master´s degree in Finance, Universidad del CEMA.

Postgraduate Professor at Universidad Católica Argentina and Universidad Austral.

Articles, Highlights and Press Releases

Total 2 Articles, Highlights and Press Releases

Estudio O’Farrell, Tanoira Cassagne Abogados, Simpson Thacher & Bartlett LLP and Shearman & Sterling

Sebastián Luegmayer, Uriel F O'Farrell, Alejo Muñoz de Toro, Daniel Reinger

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Milbank LLP, Linklaters LLP, Estudio O’Farrell and Tanoira Cassagne Abogados advised in Argentina’s

Sebastián Luegmayer, Uriel F O'Farrell, Alejo Muñoz de Toro, Daniel Reinger, Brigitte Ryszelewski

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