Martín Vainstein joined Marval O'Farrell Mairal in 2014 and is currently a Partner in the Litigation & Arbitration Department.

Before joining the firm, he worked at Abeledo Gottheil Abogados. He also worked as International Lawyer at Cleary Gottlieb Steen & Hamilton LLP (New York) and was an intern at the International Centre for Settlement of Investment Disputes (ICSID). In addition, in 2022, he completed a Master of Laws (LL.M) at Georgetown University, where he was selected as one of the International Arbitration Scholars of his class.

He has participated in a significant number of complex litigation and domestic and international arbitrations before the main institutions (ICC, LCIA, ICSID) involving commercial and investment disputes, with a focus on regulated industries. He has also served as secretary of arbitral tribunals.

He graduated as a lawyer with honors from the University of Buenos Aires in 2012 and has a Master's degree in Law and Economics from the Universidad Torcuato Di Tella and a summer course on International Dispute Resolution from Oxford University.

Martín is a member of the Buenos Aires Bar Association and the New York Bar. He has written several articles and lectured in his area of practice.