Marcio Vasconcellos

Associate, Los Angeles Office


Marcio Vasconcellos is an associate in the Firm’s Los Angeles office. He is a member of the Corporate & Securities, International Arbitration and Business Litigation Practice Groups.

Mr. Vasconcellos represents clients in international commercial arbitration under a variety of rules, including (ICC, ICDR, AAA, JAMS, CAM/CCBC, and the UNCITRAL Rules).  He also has significant experience in domestic arbitration and related litigation.  In addition to his litigation practice, Marcio also represents clients in a variety of transactional work, including domestic and cross-border Mergers & Acquisitions.

Mr. Vasconcellos practiced for several years in Brazil before relocating to California.  Prior to joining Musick Peeler, Mr. Vasconcellos was a junior associate in the Mergers & Acquisitions Group at Baker & McKenzie in Brazil (Trench, Rossi & Watanabe) and a partner of a boutique commercial law firm, specializing in Mergers & Acquisitions and arbitration.

Mr. Vasconcellos' practice focuses on business transactions/planning; mergers & acquisitions; and dispute resolution. Some examples of his work include:

International Commercial Arbitration, Domestic Arbitration and Related Litigation: advising clients on mitigating their contractual risk; early dispute analysis and avoidance; international arbitration representation; and, arbitration-related litigation.

Business Litigation: representation of clients through litigation before State and Federal Courts.

Mergers and Acquisitions: representation of various domestic and foreign entities in transactions involving electronic, software, medical device and food companies pursuant to either stock purchase or asset purchase transactions, including acquisition of assets from bankrupt or financially distressed companies.

Corporate Governance/Disputes: representation of companies and their boards of directors and officers on corporate governance best practices, including oversight and fiduciary responsibilities, board and committee structure and internal or independent investigations and minority vs. controlling shareholders disputes/litigation.

He speaks Portuguese and Spanish fluently and is also proficient in Italian.


Since 2018, Mr. Vasconcellos has been an adjunct professor at Pepperdine University School of Law — Straus Institute for Dispute Resolution, where he teaches “International Commercial Arbitration – Theory and Doctrine” and a course on domestic arbitration entitled “Arbitration” at Pepperdine’s online platform Law@Pepperdine.

 Since 2017, Mr. Vasconcellos has also been a lecturer of law at USC-Gould School of Law, where he teaches “Advanced Oral Advocacy” and coaches USC’s team for American University Washington College of Law LL.M. International Commercial Arbitration Moot Competition.



  • Chair of the Los Angeles Chapter of the Chartered Institute of Arbitrators (2019)
  • State Bar of Illinois (2019)
  • State Bar of California (2017)
  • Brazilian Bar Association (2010)