GST LLP is a boutique Miami-based firm with a distinct focus on international arbitration involving Latin American states, especially investor-state disputes. The firm advises a number of sovereign and quasi-sovereign entities, and has represented the Bolivarian Republic of Venezuela and Petróleos de Venezuela (PDVSA) in a number of disputes; it has also represented Guatemala. Diego Gosis has an impressive background in Latin America investor-state disputes, acting for both sovereigns and investors, most notably in cases involving Argentina; he is Argentine qualified. Managing partner Quinn Smith is another specialist in investor-state disputes, many of which involve Latin America. Licensed to practice in New York and Brazil, Mauricio Gomm Santos specialises in cross-border disputes involving Brazil entities. Domenico Di Pietro splits his time between Miami and London.