Center Contacts

Horacio A. Grigera Naon

Horacio Grigera Naón
Center Director and Distinguished Practitioner in Residence

Email: - Phone: (202) 895-4531

Dr. Grigera Naón, presently an independent international arbitrator and consultant on arbitration and business and international law matters, is a former Secretary General of the International Court of Arbitration of the International Chamber of Commerce and a practitioner in the field of international commercial arbitration and international business law for over thirty years. Dr. Grigera Naón has also widely published in those areas, including a book on “Choice-of-Law Problems in International Commercial Arbitration” (1992) and lectures at the Hague Academy of International Law (2001) on the same topic.

Dr. Grigera Naón, who is a Distinguished Practitioner in Residence at the Washington College of Law, American University, Washington D.C. and the Director of its Center for International Commercial Arbitration, is also a member of the American Law Institute, a former Special Counsel with White & Case LLP and a former Senior Counsel with the International Finance Corporation, Washington D.C. He holds LL.M. and S.J.D degrees from Harvard Law School, LL.B and LL.D. degrees from the School of Law of the University of Buenos Aires and is a member of the Argentine Federal, New York, District of Columbia, and United States Supreme Court Bars.

Susana Castiglione

M. Susana Castiglione
Assistant Director

Email: - Phone: (202) 274-4321

Susana Castiglione is the Assistant Director of the Center on International Commercial Arbitration where she is responsible for the Center’s activities including the International Arbitration Summer Program, Seminar and Lectures, as well as providing research and support for all international arbitration courses and activities at WCL.

Ms. Castiglione is a lawyer from Argentina where she litigated environmental, tort, malpractice, and labor law cases for more than ten years. She also worked at the Argentine Library of Congress as a legislative researcher and as a congressional aide. In 1992 she joined Kattan Environmental Law Firm where she conducted public interest advocacy. In addition, she taught Civil Law and Environmental Law at the University of Buenos Aires. Ms. Castiglione also works as an independent consultant on international and comparative health law issues for international organizations. She has several legal publications, including: "Background Paper on Insolvency and Health Expenses" (2010), "Legislation for the Control and Management of Hospital Infections" (2007), "Management of Dead Bodies in Disaster Situations" (2004), "Non-Intentional Injuries" (2004), "Legislation on Occupational Risks and Safety in Central America" (2003), and "Pesticide in Central America: Analysis of Legislation and National and International Mechanisms of Enforcement, Focus on Gender" (1999). Susana holds an LLM degree from American University Washington College of Law.

Claudia Frutos-Peterson
Adjunct Professor/Head of Publications and Partner, Curtis, Mallet-Prevost, Colt & Mosle LLP

Email: Phone: (202) 274-4321

Claudia Frutos-Peterson is a partner in the Washington office of Curtis, Mallet-Prevost, Colt & Mosle LLP where she concentrates her practice in International Arbitration.  Prior to joining Curtis, Ms. Frutos-Peterson worked as legal counsel at the World Bank Group’s International Centre for Settlement of Investment Disputes (ICSID). As Counsel at ICSID, Ms. Frutos-Peterson served as secretary of tribunals in numerous arbitral proceedings brought under the ICSID Convention and the ICSID Additional Facility Mechanism. In March 2003, Ms. Frutos-Peterson published a book on international commercial arbitration in Latin America. She is adjunct professor at American University’s Washington College of Law teaching International Commercial Arbitration. Ms. Frutos-Peterson received her law degree at the University of Nuevo León, in Monterrey, Mexico. She also received a Master’s Degree in International Economic Law and a Doctorate in International Commercial Arbitration in Latin America, with highest honors, from the University of Paris-I ( (Panthéon-Sorbonne).

Björn Arp


Dr. Björn Arp is a Fellow at American University Washington College of Law Center on International Commercial Arbitration where he also co-teaches International Commercial Arbitration. He is also editor-in-chief of the Law of the Sea Reports and a partner at Aparicio, Arp & Associates LLC, in Washington, D.C. He taught Public International Law, European Union Law, and Investment Arbitration at the University of Alcalá, Madrid, from 2000 to 2010. In 2007, Arp was a visiting researcher at Harvard Law School. His publications and research have focused on international investment protection and human rights.

Hernando Otero
Fellow and Adjunct Professor


Hernando Otero is a Fellow at the American University Washington College of Law Center on International Commercial Arbitration where he teaches arbitration and mediation. He also serves as a mediator with the District of Columbia’s Superior Court. He has served as an arbitrator before the World Bank’s International Center for Settlement of Investment Disputes (ICSID) and has been appointed as an arbitrator by the International Chamber of Commerce’s (ICC) Court of Arbitration, the Bogota Chamber of Commerce Arbitration and Conciliation Center’s (CAC) Court of Arbitration and the Financial Industry Regulatory Authority (FINRA) in the United States. He has also appeared as counsel of record in proceedings under the ICSID Convention, the ICSID Additional Facility and the UNCITRAL Arbitration Rules pursuant to multilateral and bilateral trade and investment treaties (FTAs and BITs) and commercial agreements. Hernando Otero is on the London Court International Arbitration’s (LCIA) database of arbitrators and on the panel of international arbitrators of the Hong Kong International Arbitration Centre (HKIAC), the Shanghai International Economic and Trade Arbitration Commission (SHIAC) and the Kuala Lumpur Regional Centre for Arbitration (KLRCA).

Dean's Fellows (Spring 2017)


Chafica Agha (J.D. Candidate, May 2017)
Monifa Hall (J.D. Candidate, May 2018)
Heather Lui (J.D. Candidate, May 2017)