Gustavo has over 15 years of professional experience practicing international arbitration at leading law firms in New York, Geneva, and Paris. All these firms are ranked as Band 1 or Band 2 in international arbitration by Chambers and Partners. Two of these firms are consistently ranked as top-30 GAR firms, and one was a top-3 GAR firm when he worked there. He served as tribunal assistant for the three of only a handful of arbitrators listed by Chambers and Partners as "star individuals" in Switzerland and France. Currently he works closely with an English QC from one of the most preeminent sets of barristers' chambers worldwide. In 2021, Gustavo and this QC co-taught a summer course at the Hague Academy of International Law. Whether as party representative, arbitrator, or tribunal secretary or assistant, throughout his career Gustavo has been involved in more than 40 international arbitrations in a wide spectrum of jurisdictions and industries