Mr Diego Serrano Redonnet > Pérez Alati, Grondona, Benites & Arntsen > Buenos Aires, Argentina > Lawyer Profile

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

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.

Lawyer Rankings

Argentina > Bankruptcy and restructuring

Pérez Alati, Grondona, Benites & Arntsen’s multidisciplinary group has experience in advising all stakeholders in bankruptcy and restructuring proceedings. It has been mainly active on behalf of creditors of late, particularly banks, and represents both local and international financial institutions. Corporate finance specialist Diego Serrano Redonnet has a strong record in debt restructuring.

Argentina > Corporate and M&A

Pérez Alati, Grondona, Benites & Arntsen’s team is distinguished by its ‘absolute commitment to the client’, ‘practical advice’ and ‘thorough knowledge of the law’. The firm represents a comprehensive mix of clients on M&A and corporate matters, from entrepreneurs and start-ups, through to private equity funds and public companies. An active participant in deals across all of Argentina’s core business industries, the team had a strong recent run in the energy, agribusiness and retail sectors. It is also well known for its record in multi-jurisdictional regional deals, such as its recent advice to CVC Brasil Operadora e Agência de Viagens on its $77m acquisition of tourism company Almundo, which spanned operations in several Latin American countries. Pedro Eugenio Aramburu, who provides ‘practical legal advice’, led the CVC deal and advises on a wide range of M&A, private equity and corporate finance matters. Santiago Daireaux is widely regarded as one of the leading transactional lawyers in Argentina and specialises in domestic, regional and international M&A and financing transactions. Other key contacts include founding partner Jorge Pérez Alati, who co-leads the practice together with Aramburu and Daireaux, banking and finance specialist Diego Serrano Redonnet and general practice partner Mariano Grondona. Associate Pedro Menéndez San Martín is also focused on corporate matters.

Argentina > Banking and finance

(Leading individuals)

Diego Serrano RedonnetPérez Alati, Grondona, Benites & Arntsen

Comparable to the best teams in Argentina’, Pérez Alati, Grondona, Benites & Arntsen attracts strong praise for its ‘experience and personal dedication’ and its ‘skill to handle complex matters’. The group handles a varied mix of banking, capital markets, structured finance and restructuring work, with extensive expertise in the energy, agribusiness and real estate sectors. It is also equally adept at both lender and borrower-side mandates, with local and multinational financial institutions, funds and corporations among its key clients. Diego Serrano Redonnet is widely recognised as a leader in the area and combines strong skill sets in banking, corporate and private equity. The group also includes ‘excellent professionalMaría Gabriela Grigioni, as well as founding partners Alan Arntsen and Mariano Grondona. Impressive younger lawyer Danilo Parodi Logioco was recently promoted to counsel.

Argentina > Energy and natural resources > Oil and gas

Pérez Alati, Grondona, Benites & Arntsen’s 16-strong oil-and-gas group attracts praise for its ‘technical capacity and flexibility’. The team has a broad multidisciplinary focus, with experience in transactions, regulatory matters, dispute resolution, tax and environmental law. Petrolera El Trébol is a key client and the firm routinely advises the Phoenix Global Resources subsidiary on its E&P activities in Argentina. Francisco Javier Romano heads the team and brings to bear significant hands-on experience following in-house roles at Chevron, Pan American Energy and Bridas Corporation. Senior patners Mariano Grondona, Alan Arntsen and Diego Serrano Redonnet all participate in the sector, as does transactional partner Tomás Pérez Alati. Key associate support comes from Ignacio Payarola, who focuses on energy, renewables, oil and gas and administrative law and litigation.