Marzia Schilleci, LL.M.

Marzia Schilleci is a dual-qualified arbitration and litigation lawyer (Switzerland / New York) and a Senior Associate in the CMS Dispute Resolution team in Zurich. She focuses on disputes arising out of construction, distribution (specifically in the medical and pharmaceutical field), and infrastructure projects, both in commercial and investment arbitration. In addition, she represents clients in matters involving international sanctions, publishes and speaks on arbitration and sanctions-related topics.

Marzia acted as counsel under several major institutional rules, including ICC, Swiss Rules, UNCITRAL, and AAA, advising on multi-million-euro claims and emergency relief. She also assists clients in the enforcement of arbitral awards in Swiss courts. She combines her civil law and common law background to support clients with strategic pre-arbitration planning, arbitral procedure, and post-award remedies.

She also acts as arbitrator in international arbitration proceedings.

Marzia earned her LL.M. in International Arbitration from Georgetown University Law Center, where she was an International Arbitration Scholar. Her academic focus included commercial arbitration, investor-State arbitration, and public international law, under the supervision of world-renowned practitioners and scholars in Washington, D.C. She graduated at the top of her class and received the Thomas Bradbury Chetwood, S.J. Prize for the most outstanding academic achievement in the LL.M. program.

While in the U.S., she worked with a leading law firm, where she supported the representation of clients in investor-State arbitrations under bilateral investment treaties.

Marzia holds a bilingual Master of Law (MLaw) from the Universities of Zurich and Lausanne (summa cum laude, top 10%). She received the Reinhard & Raja Klarmann Foundation Prize for the best thesis in international and multicultural business law, which addressed the interface between Article 6 ECHR and international arbitration.