Cleary Gottlieb Steen & Hamilton

Ari D. MacKinnon’s practice focuses on international arbitration in Latin America, with a particular emphasis on matters relating to the oil & gas, mining and infrastructure sectors, as well as ESG- and corruption-related issues.

Ari has successfully represented a number of major Latin American oil and gas, energy, infrastructure, and pulp and paper companies, as well as state-owned companies and sovereigns clients in disputes in the region. He speaks regularly in Latin America on topics related to arbitration and crisis management. Ari has experience conducting arbitrations in both English and Spanish.

Ari joined the firm in 2009 and became a partner in 2015. J.D., New York University School of Law (2006); M.A., Middlebury College (2006); B.A., Grinnell College (2002).

Member, New York Bar.

Member, Program Committee, New York International Arbitration Center.

Member, Chartered Institute of Arbitrators

Included on Arbitrator Roster, Arbitration Centre of the Lima Chamber of Commerce

Member, New York City Bar Association Council on International Affairs

Member, International Arbitration Club of New York

Member, Association of International Petroleum Negotiators