Daniel Aun is a dual-qualified, dual-trained Brazilian senior litigation associate based in New York focused on white collar defense, internal investigations, compliance, crisis management, and international disputes, with a particular focus on Latin America, Portugal, and Spain. He has been actively involved in matters relating to Brazil’s operations Lava Jato, Zelotes, Carne Fraca, and Sem Limites, the U.S.-led FIFA investigation, and a high-profile investigation undertaken by Portuguese authorities, among others.
As part of his work, Mr. Aun defends individuals and companies in criminal, civil, and regulatory enforcement matters, conducts cross-border internal investigations, advises companies in connection with compliance matters and the risks posed by potential transactions, and helps organizations overcome crises. He also has substantial experience with international arbitration matters, including in connection with ICC, ICSID, PCA, ICDR, and CCBC proceedings. Further, he advises companies and international organizations on business integrity matters. As part of his work, Mr. Aun, who is a native Portuguese speaker and is also fluent in Spanish, has represented clients in connection with matters in or otherwise involving Argentina, Brazil, Canada, Chile, China, Colombia, Ecuador, Italy, Japan, Mexico, Netherlands, Paraguay, Peru, United Kingdom, United States, Portugal, Singapore, Spain, and Switzerland. In addition, he is an active member of the white collar and arbitration communities in Brazil and the United States, has assisted professors at the New York University School of Law and the Pontifical Catholic University of São Paulo, and has authored or co-authored articles for Latin Lawyer, Global Arbitration Review, Kluwer Law International, the blog of the NYU Program on Corporate Compliance and Enforcement, the blog of the NYU Center for Transnational Litigation and Commercial Law, Brazilian newspaper O Estado de S. Paulo, Mexico’s newspaper Reforma, and Spain’s Revista de la Economia Social y de la Empresa, among others.
Mr. Aun joined Debevoise in 2014. From 2012 to 2014, he was an associate at the international arbitration practice group of a large international law firm based in New York. From 2008 to 2011, he practiced with a well-known Brazilian law firm specialized in international arbitration. In addition, earlier in his career he pursued internships at the Permanent Court of Arbitration at The Hague, the Organization of American States, the Brazilian Embassy in Washington, D.C., a Federal Court of Appeals based in São Paulo, and the State of São Paulo Prosecutor’s Office.
Mr. Aun received his LL.M. from New York University School of Law (NYU), where he was vice-president of the International Arbitration Association. He obtained his law degree at the Pontifical Catholic University of São Paulo (PUC-SP), with additional studies at The Hague Academy of International Law and the University of Barcelona. Mr. Aun acted as assistant to Professor Donald Francis Donovan in connection with his International Arbitration and International Investment Law & Arbitration courses at NYU, and as teaching assistant to Professor Fabricio Felamingo in connection with his International Law course at PUC-SP.
Mr. Aun founded and chairs the Brazil-US 40 and Under White Collar Lawyers Initiative, a unique forum for over 130 lawyers in approximately 60 leading law firms in Brazil and the United States to exchange insights on white collar matters involving the two countries, organize meetings and events featuring guest speakers (including current and former government officials and leading practitioners), and publish writings of interest. In addition, he was nominated to the Criminal Law Commission of the State of São Paulo Bar Association (OAB SP), being the only representative of a U.S. law firm in it, and elected a member of the Board of Directors of the NYU Law Alumni Association for four-year tenure.
Mr. Aun was awarded the Becas Líder Scholarship (Jóvenes Líderes Iberoamericanos) by Spain’s Fundación Carolina to Ibero-American leaders in their respective fields, and together with Debevoise colleagues was also awarded the Hon. Clarence J. Herlihy Award by Prisoners' Legal Services of New York.
Mr. Aun is admitted to practice law in New York and Brazil, and is fluent in Spanish and conversational in French, in addition to being a native Portuguese speaker.
Mr. Aun’s publications include "Latin America’s Evolving Anti-Corruption Landscape: Brazil in Flux and Regional Reverberations," FCPA Update, Vol. 11, No. 3 (October, 2019); “Empresas, ejecutivos y leyes anticorrupción” [Companies, executives, and anti-corruption laws,” Reforma, with Julio Rivera Rios, October 2019; “The Year 2018 in Review: Continued Globalization of Anti-Corruption Enforcement,” FCPA Update, Vol. 10, No. 6 (January, 2019); “O futuro do combate à corrupção envolvendo Brasil e Estados Unidos [The future of anti-corruption enforcement involving Brazil and the United States],” O Estado de S. Paulo, Fausto Macedo’s Blog (January, 2019); “NAFTA Replacement Adds Anti-Corruption Provisions,” FCPA Update, Vol. 10, No. 4 (November, 2018); “New Leniency Regulations and Rules Affecting Financial Institutions Change the Anti-Corruption Landscape in Brazil,” FCPA Update,Vol. 9, No. 2 (September, 2017); “The Year 2015 in Anti-Bribery Enforcement: Are Companies in the Eye of an Enforcement Storm,” Brazil Section, FCPA Update, Vol. 7, No. 6 (January, 2016); “Brazil Issues Guidelines for Compliance Programs,” FCPA Update, Vol. 7, No. 3 (October, 2015); “Brazil Further Regulates Its Anti-Corruption Framework,” FCPA Update, Vol 6, No. 9 (April, 2015); “Brazil Issues Long-Awaited Decree Implementing the Clean Company Act,” Debevoise & Plimpton Client Update (March, 2015); “Iberdrola v. Guatemala,” ICSID Case No. ARB/09/5, 13 January 2015, A contribution by the ITA Board of Reporters, Kluwer Law International; “SGS v. Paraguay,” ICSID Case No. ARB/07/29, 19 May 2014, A contribution by the ITA Board of Reporters, Kluwer Law International; “The Definition of Domestic and Foreign Arbitral Awards in Brazil: A Critical Analysis of the Decision in Nuovo Pignone v. Petromec,” Transnational Notes – NYU Center for Transnational Litigation, Arbitration and Commercial Law (March, 2012); “Brazil: Resolving sports infrastructure disputes,” Global Arbitration Review (October, 2010), later republished with the title “World Cup, Olympics and dispute resolution,” Latin Lawyer (October, 2010) and “Beneficios y Patentes – El Caso Brasil,” Revista de la Economia Social y de la Empresa, no. 50 (2007). He also contributed to a chapter on the FCPA titled “Der US-amerikanische Foreign Corrupt Practices Act” by Bruce E. Yannett and Thomas Schürrle, the Latin Lawyer 2018 anti-corruption year-in-review essay by Bruce E. Yannett and Andrew M. Levine, and a chapter on the FCPA by Mark P. Goodman and Bruce E. Yannett in the treatise Defending Corporations and Individuals in Government Investigations. Mr. Aun also revised the Portuguese versions of the IBA Guidelines for Drafting International Arbitration Clauses and Party Representation, and was a secretary of the committee that conducted a comprehensive review of the International Arbitration Rules of the International Centre for Dispute Resolution (ICDR) of the American Arbitration Association (AAA) and issued a new set of rules in 2014.
As part of his speaking engagements, Mr. Aun discussed government investigations into fraud and corruption during and after the pandemic in Brazil and the United States as part of a panel organized by Brazil-based IBRADEMP in May 2020; Carwash, the Brazil-US anti-corruption enforcement experience, and recommendations for Mexican companies and businesspeople in “Compliance: ¿Cómo Prepararse para la Tormenta que Viene?,” an event organized in Mexico City by the ANADE – Asociación Nacional de Abogados de Empresa, Colegio de Abogados, in January 2020; discussed “Key Developments in Global Anti-Corruption Enforcement” in São Paulo, Brazil, as part of an event organized by a local law firm in November 2019; moderated a panel on “The Violation of Compliance Obligations as a Cause for Arbitration” at the XV International Arbitration Conference in Rio de Janeiro, Brazil, in May 2019; discussed anti-corruption concerns as part of the event “Sugar & Ethanol in Brazil: Opportunities and Challenges for Distressed Investments” co-organized by the Brazilian-American Chamber of Commerce and Debevoise, in New York, in May 2018; and moderated a panel on “Particularities of ICSID Arbitration,” at the Costa Rican Arbitration Day, organized by Y&I ICDR and Costa Rican Young Arbitrators, in October 2015.