Oliver (Ollie) J. Armas

Oliver (Ollie) J. Armas

New York

Email oliver.armas@​hoganlovells.com

Phone +1 212 918 3020

Fax +1 212 918 3100

LanguagesEnglish, Spanish

Practice groupLitigation, Arbitration, and Employment

"Wonderfully sharp," "an incredible lawyer," "we really value him"

Chambers Latin America

Ollie Armas is sought out by our clients around the world to resolve some of their most complex and delicate matters in domestic and foreign litigation, before international arbitration tribunals, and to conduct sensitive internal investigations.

Just recently, Ollie represented an Asia-based client in a US$1 billion putative RICO class action, a U.S. multinational in three arbitrations in Dubai against its Yemeni distributor, a Brazilian company in three ICC arbitrations regarding the construction of FPSOs totaling over US$1 billion in claims, a Korean contractor in an ICC arbitration involving a combined cycle power plant in Chile, a Japanese pharmaceutical company in an ICC arbitration against its U.S. licensor, the government of Mongolia in defending enforcement of an UNCITRAL and Energy Charter Treaty arbitration award (involving the U.S. Foreign Sovereign Immunities Act), and a U.S.-based client in a broad-scale FCPA investigation in Latin America.

Ollie has handled arbitrations under the rules of many of the major arbitral institutions around the world, including the ICC, AAA/ICDR, LCIA, ICSID, HKIAC, SIAC, SMA, LMAA, DIAC, DIFC, etc. He is also a highly sought after arbitrator. Fluent in Spanish, and with an understanding of Portuguese, he routinely counsels clients on matters involving Latin America. Ollie has acted as a legal advisor in certain aspects of U.S. law in Mexico and Peru, and he has supervised litigation and conducted FCPA investigations in almost every country in Latin America. Ollie is on the firm’s National Diversity Committee. 

Awards and recognitions


Acritas Star
Acritas Stars Independently Rated Lawyers


Distinguished Leader Award
New York Law Journal


International Arbitration (Global-wide)
Chambers Global


International Arbitration (USA)
Chambers Global


International Arbitration (Latin America-wide)
Chambers Global


International Arbitration (Nationwide)
Chambers USA


International Arbitration (USA), Foreign Expert for Latin America-wide
Chambers Global


International Arbitration (Latin America-wide)
Chambers Latin America


Litigation: International Arbitration, Recommended
The Legal 500

Benchmark: Litigation (NY Star; Products Liability and General Commercial)

Who's Who of International Arbitration

Who's Who of International Litigation

Guide to the World's Leading Experts in Commercial Arbitration

Education and admissions


J.D., New York University School of Law, 1990

M.P.A., New York University, Wagner Graduate School of Public Administration, with honors, 1987

B.A., New York University, College of Arts and Sciences, with honors, 1986


Member, American Bar Association

Member, New York State Bar Association (International Law Section, Chair 2007 and current member of its Executive Committee)

Member, Association of the Bar of the City of New York (International Commercial Disputes Committee)

Member, International Bar Association

Member, USCIB of the International Chamber of Commerce

Member, London Court of International Arbitration (the North American Users' Council and the Latin American Users' Council)

Member, New York International Arbitration Club

Advisory Committee, Swiss Arbitration Academy (SAA)

Advisory Committee, Argentine Commission of National and Transnational Arbitration (CARAT)

Member, ALARB

Roundtable Group Roster of Experts

Bar admissions and qualifications

New York

Court admissions

U.S. District Court, Southern District of New York

U.S. District Court, Eastern District of New York

U.S. District Court, District of Hawaii

Related Knowledge

Supply Chain Support

Representative experience

Defended a Brazilian mining and metals company in alleged product defect litigation in Missouri concerning materials imported to the United States.

Defended an Argentine oil company in a New Jersey litigation relating to environmental contamination and supposed fraudulent conveyances.

Obtained a defense verdict in the Southern District of New York for a U.S. asset-based lender against an Italian clothes manufacturer (Diesel).

Represented Cayman-based and UK-based investment funds in litigation in Brazil, Bermuda, and Uruguay related to restructuring of debentures.

Represented a manufacturer of human blood sourced products in an ICDR arbitration against one of its business partners.

Represented U.S. multinational in an ICDR arbitration regarding the exercise of a put option in a Taiwanese Company.

Represented an owner in an ICC construction arbitration in Panama with its EPC contractor.

Represented an Abu Dhabi-based owner in an UNCITRAL arbitration regarding the construction of a hotel development in Mexico.

Represented a global pharmaceutical company in an AAA arbitration involving a development and license agreement dispute.

Represented a Peruvian investor in a tax refund arbitration with the Government of Peru.

Represented a U.S. electric utility company in a JAMS arbitration regarding a merger transaction.

On behalf of a Chinese parent, conducted an internal investigation of its Latin American subsidiaries for potential FCPA violations.

Represented a U.S. pharmaceutical in an internal investigation regarding judicial corruption in Mexico.

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