• Counsel to the Ad-hoc Creditors Committee on YPF's 6.2 billion debt restructuring
• Counsel to EDELCOS in the public tender offer of EDENOR’s shares in the New York and Buenos Aires stock exchanges
• Counsel to EDENOR in the consent solicitation to amend term of condition of its existing bonds
• Counsel to EDENOR in the debt exchange of its existing notes
• Counsel to Vicentin on its US$1.5 billion debt restructuring and in the joint venture with strategic investors
• Counsel to Jefferies on Stoneway Capital's US$500 million project bond and its US$165 million follow on (deal of the year in Latam by Latin Finance)
• Counsel to UBS in the US$80 billion debt exchange of the Republic of Argentina (2002-2004)
• Counsel to Barclays Capital as Global Coordinator of the US$18 billion debt exchange of Argentina (2008-2010)
• Counsel to institutional investors in the US$62 billion debt exchange of Argentina (2020)
• Counsel to multiple banks and the Province of Buenos Aires in over 40 international bond offerings made by the Province of Buenos Aires since 1998 to date
• Counsel to Citigroup and the Province of Buenos Aires (PBA) in PBA's US$2.8 billion debt restructuring
• Counsel to JP Morgan in the debt restructuring of a US$250 million bond issued by the Province of Mendoza and to Barclays Capital on its reopening
• Issuer and underwriter's capital markets counsel in debt offerings and exchanges for the Provinces of Chaco, Chubut, Formosa, Entre Ríos, La Rioja, Mendoza, Neuquén, San Juan, Santa Fe and Salta
• Debtor's counsel on the recent debt exchanges and consent solicitations made by the Provinces of Mendoza, Chaco, Entre Ríos, Chubut, Salta and Buenos Aires
• Underwriter's counsel for UBS, Citi, Beal West LB, Salomon Brothers, Credit Suisse, Raymond James, Deutsche Bank, Barclays, JP Morgan and other banks on corporate debt and equity offerings
• Special counsel to Pioneer and Apache on the US$600 million acquisition of Pioneer Natural Resources' assets in Argentina, among other notable acquisitions
• Counsel to GP Investments, Temasek and LAIG in the US$1 billion acquisition of Pride International's assets in Latin America
• Counsel in the sale of British Gas equity interest in MetroGAS one of the largest natural gas distributors in Latin America
• Counsel to JP Morgan on the debt restructuring of MetroGAS
• Counsel to AYSA on its US$500 million inaugural bond offering 
• Buyer's counsel in two attempts to acquire YPF

Chambers Latin America

• Band 2, Argentina Banking & Finance (2020 – 2025)

Chambers Global

• Band 2, Argentina Banking & Finance (2019 – 2025)

The Legal 500 Latin America

• Hall of Fame, Argentina, Banking and Finance (2025)
• Recommended, Latin America: International Firms Capital Markets (2019, 2021 – 2024)
• Leading Lawyer, Argentina Banking and Finance (2019, 2021, 2024)
• Recommended, Latin America: International Firms Corporate and M&A (2019, 2021)
• Recommended, Argentina Banking and Finance (2018, 2023)

• Recommended, Argentina Corporate and M&A (2024)

Additional Recognitions

Latin Lawyer 250

• Key Partner, Capital Markets (2023 – 2024)
• International Counsel, Banking and Finance (2023 – 2024)

IFLR 1000

• Highly Regarded Lawyer, Argentina, M&A (2022 – 2023)

LACCA Approved 2024

• Thought Leader, Banking & Finance, 2024
• Thought Leader, Capital Markets, 2024

Leaders League 2024

• Excellent, Banking & Finance
• Highly recommended, Corporate/M&A

TTR Annual Report 2024

• #3 Dealmaker in Argentina in M&A, Venture Capital, Private Equity and Assests Acquisition

Best Lawyers in Latin America
              Corporate Law, Argentina, 2020

Recommended, Latin American Corporate Counsel Association, 2020

• Author, "Edenor issues notes and launches exchange offer in Argentina," Latin Lawyer, 2024
• Author, "DLA Piper y TCA Tanoira Cassagne asesoraron en la emisión de obligaciones negociables de Edenor por un monto total de US$ 100.481.808," Abogados.com.ar, August 7, 2024
• Co-author, "Collective actions and exit consents regarding public bonds," Editorial Heliasta, 2009
• Co-author, "Restructuring of public securities placed in domestic and international capital markets," (pp. 367 - 405, number 4), Editorial Wolters Kluwer, 2009
  
   
  
  
   
   

• Interviewed, "¿Qué implica la salida de dos grandes bancos internacionales de Argentina?”, Lex Latin, May 21, 2024
• Interviewed, "Companies in Argentina Face New Anti-Money Laundering Tasks", Bloomberg, April 12, 2024
• Interviewed, "La política monetaria de Argentina, Chile y México en 2024; ¿cómo ha repercutido la baja de tasas de interés?," Lex Latin, 2024

Marcelo serves as a Trustee, Treasurer, Co-Chair of the Development Committee and Member of the Executive Committee of the Eisenhower Fellowships in Philadelphia. The Eisenhower Fellowships is a private, nonprofit, nonpartisan organization dedicated to identifying outstanding ascendant leaders who share President Eisenhower's belief in the powerful possibilities of a more peaceful, prosperous, and just world and to help them produce impactful change (www.efworld.org). 

He also served as Board Member at the Rainforest Foundation in New York, Treasurer of Americanos del Sur en el Siglo XXI in Buenos Aires, Senior Advisor to the Advanced Leadership Foundation in Washington DC, Member of the Pro-Bono Committee at the Colegio de Abogados de la Ciudad de Buenos Aires, and Vice Chairman of the Harvard International Law Society.