Marcio VASCONCELLOS

Mr. Vasconcellos represents clients in commercial and investor-state arbitration. Marcio has a particular focus on disputes following mergers and acquisitions, mining, energy, and financial sectors, as well as broad experience in matters involving Latin America and Brazil. He has represented clients under most institutional rules and across a broad spectrum of industries, including oil and gas, electric power, mining, transportation, real estate development, manufacturing, and pharmaceuticals.

Marcio was formerly an Adjunct Professor of Law at Pepperdine University School of Law, where he taught International Commercial Arbitration – Theory & Doctrine. He was also a Lecturer in Law at USC-Gould – University of Southern California School of Law, where he taught advanced oral advocacy. Marcio was also the Chair for the Los Angeles Chapter of the Chartered Institute of Arbitrators – North America Branch.

Mr. Vasconcellos received an LL.M. in international arbitration from Pepperdine University (2016), where he was a research assistant to Professors Thomas Stipanowich and Jack J. Coe Jr., and coach of Pepperdine’s Vis Moot team. In connection with those studies, he was a recipient of a full-tuition scholarship from JAMS. Marcio holds an LL.B. (2010) as well as a master’s degree in international commercial contracts (2014) from the Federal University of Rio Grande do Sul, Brazil.

Prior to joining King & Spalding in 2021, Marcio practiced from 2010 to 2015 in Brazil, where he was an associate with a global firm and a junior partner with a commercial law boutique in Porto Alegre and Sao Paulo, Brazil. Between 2017 and 2020 Marcio as an associate with a leading, full-service California firm, practicing in international and domestic arbitration and related litigation.

Mr. Vasconcellos is admitted to practice in California, Illinois, and Brazil. He is fluent in English, Portuguese, and Spanish.