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Pérez Alati, Grondona, Benites & Arntsen

Work +54 11 4114 3000
Fax +54 11 4114 3001
Buenos Aires, Ciudad De Neuqunén

Diego Serrano Redonnet

Work 5411 4114 3027
Pérez Alati, Grondona, Benites & Arntsen

Work Department

Banking & Financial Institutions
Capital Markets & Securitization
Corporate & Corporate Governance
Corporate Finance
Debt Restructuring
Mergers & Acquisitions
Private Equity & Venture Capital
Project Finance & Infrastructure


Mr. Serrano Redonnet is a business lawyer with more than 25 years of experience in corporate finance, mergers, acquisitions and joint ventures, debt and equity capital markets transactions, project development and finance, private equity and venture capital investments, debt restructuring, securitization and structured financial transactions.

His practice also includes advice on banking and securities regulation, on corporate governance, and on foreign investments and general corporate law.

His practice is largely international and his industry experience embraces a number of industries including financial services, energy (including renewable energy), infrastructure, transportation, construction and engineering, insurance, telecommunications, natural resources, real estate, agribusiness, retail, technology and the public sector (including public-private partnerships).

He has represented a broad range of international and domestic companies, banks and investment funds in some of the most significant transactions done in Argentina.

Mr. Serrano Redonnet has been selected for inclusion in Chambers Latin America: Leading Lawyers for Business as one the best corporate, M&A, private equity, banking and finance lawyers in Argentina. He has been also named as a leading practitioner in The International Who’s Who of Business LawyersIFLR 1000Latin Lawyer 250The Legal 500Best Lawyers and in other legal publications.


Mr. Serrano Redonnet is a Partner at PAGBAM since 1994.

He teaches a postgraduate course on Corporate Finance and Capital Markets at the Argentine Catholic University. He has taught graduate courses on Economic and Financial Analysis at the University of Buenos Aires and on Commercial Law, Economic Law, Constitutional Law and History of Legal and Political Thought at the Argentine Catholic University.

Diego Serrano Redonnet is regularly invited as a speaker in domestic and international seminars and congresses, and has also authored several articles on business law.

He has also served on the board and audit committees of listed companies.


Spanish, English, Portuguese, French, and Italian


Mr. Serrano Redonnet is admitted to practice both in New York and Argentina.

He is a member of the Committee of Bank Lawyers of Argentina, of the New York State Bar Association, of the International Bar Association, of the American Bar Association and of the Harvard Club of Argentina, where he has served as Vice President.


Mr. Serrano Redonnet received his Master of Laws (LLM) degree from Harvard Law School in 1996.

He graduated as a lawyer from the Argentine Catholic University in 1990, where he obtained the award to the top graduate of the class. He also pursued postgraduate studies in Political Science.


Banking and finance

Within: Leading lawyers

Diego Serrano Redonnet - Pérez Alati, Grondona, Benites & Arntsen

Within: Banking and finance

During 2017/18, Pérez Alati, Grondona, Benites & Arntsen suffered the departures of highly rated younger partners Federico Wilensky, who left for an in-house role at TGLT, and José Martínez de Hoz (n), who joined splinter firm Martínez de Hoz & Rueda. However, the firm’s senior firepower remains intact, with practice head Diego Serrano Redonnet, who is regarded ‘among the best in his field’, and Mariano Grondona both recommended for banking matters. Recent highlights include advising the dealer managers and the local placement agents on a $210m bond offering by the Province of Jujuy and also advising China Development Bank on a $150m loan to Banco de Inversión y Comercio Exterior.

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Corporate and M&A

Within: Corporate and M&A

Knowledgeable and experiencedPérez Alati, Grondona, Benites & Arntsen fields a ‘very strong corporate practice’; certainly, the firm’s impressive band of high-profile senior partners and its longstanding reputation as a key player in Argentina’s M&A environment should help to insulate it from the worst effects of its recent partnership split. Founding partner Jorge Perez Alati is a stalwart in the M&A area and maintains an active practice. The ‘extremely commercial and strategicSantiago Daireaux is also a prominent figure and led on several of the department’s deals over the past year, such as advising Victoria Capital Partners on its $230m acquisition of Los Grobo and also assisting A Priori Capital with the $180m sale of a controlling stake in Grupo Zucamor to Arcor. Elsewhere, corporate finance partner Diego Serrano Redonnet advised Genneia on its $40m acquisition of Loma Blanca IV. Mariano Grondona and Pedro Eugenio Aramburu are also key contacts. Notable departures include Federico Wilensky, who left for an in-house role at TGLT, while José Alfredo Martínez de Hoz Jr, Fernando Zoppi and José Martínez de Hoz (n) left to establish new firm Martínez de Hoz & Rueda.

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Within: Insurance

Pérez Alati, Grondona, Benites & Arntsen is defending a major insurance company in six class actions brought by consumer protection associations concerning certain clauses in automobile insurance policies – corporate finance partner Diego Serrano Redonnet and litigator Lautaro Ferro jointly led that work. The team, which also has a strong background in transactional and regulatory matters, counts Aon, AIG and Metlife among its clients. Associate Lucila Guerrero is also noted. Sector specialist Maximiliano Batista6 left to join Martínez de Hoz & Rueda.

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