Diego Sierra


Phone:52 (55) 5258-1039


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Diego Sierra is Partner of the Anticorruption & Compliance and Bankruptcy & Restructuring Practices of Von Wobeser y Sierra. He frequently acts as counsel in complex commercial litigation and commercial arbitration disputes. Diego represents several national and international clients in the resolution and prevention of commercial disputes. He has advised global Fortune 500 companies and financial institutions in the United States and México in FCPA investigations and due diligence matters. In the last years, he has been involved in the most important and complex bankruptcy proceedings taking place in Mexico, advising creditors as well as debtors.

Representative Matters

Advises a group of European banks in the Oceanografía insolvency proceedings. European Banks’s credits have a value around USD $200 million.

Advises an important auto parts manufacturer regarding the possibility of filing for Bankruptcy for its subsidiary in Mexico, in the context of its already ongoing global restructuring process seated in U.S. Courts.

Advises BAC Florida Bank in the Proveedora La Perla Bankruptcy proceedings, as one of the most important creditor of La Perla. BAC Florida Bank’s credit has a value of several million dollars. USD millions.

Advised a risk-rating agency in an internal investigation, originated by whistle-blower allegations suggesting that employees received illegal payments in order to stop downgrading the debt rating of a state of the federation with the purpose of obtaining better access to financing.

Advises Anheuser-Busch InBev in preventing (anti-corruption due diligence) and reacting (investigations) measures in connection with the Foreign Corrupt Practices Act and the recently created, National Anti-Corruption System.

Advised a global association dedicated to protect intellectual property in an internal investigation regarding allegations of bribery and fraud to obtain unlawful settlement agreement on different proceedings with Mexican authorities.

Advised an insurer in an internal investigation related to fraud and misappropriation of assets. The findings helped the Company to strengthen internal controls and restructure its work teams.

Represented Corvaglia Holding AG in a shareholders dispute regarding the Mexican subsidiary Corvaglia Closures, S.A. de C.V. Corvaglia Holding AG successfully prevailed and secured control of its Mexican subsidiary.

Represents DF Deutsche Forfait AG, Investkredit Bank AG and Helaba Landesbank Hessen-Thüringen in several commercial proceedings against Oceanografía and Amado Yañez Osuna in Campeche, Ciudad del Carmen and Mexico City, with a value around USD $200 million.

Represented Acqua Minerale San Benedetto in a commercial arbitration against Peñafiel, where the Arbitral Tribunal issued an award declaring that Peñafiel had violated the JV and condemning it to pay for the damages produced for millions of dollars. USD millions.

Represents an important auto parts manufacturer in a class action initiated by a civil association, where the claimant demands a compensation for the damages related to the whole Mexican automotive market.





  • American (US)

Education & Experience

Law Degree (J.D. equivalent), with honors, Escuela Libre de Derecho, Mexico City.

Diploma in International Arbitration, first in his class, Escuela Libre de Derecho, Mexico City.

Master of Laws Degree (LL.M.) and Certificate in Business Administration with honors, Northwestern University School of Law & Kellogg School of Management, Chicago.

Foreign attorney, Skadden, Arps, Slate, Meagher & Flom LLP, New York.

Admitted to practice in Mexico and New York.

Affiliations & Academic Activities

Vice President, Anticorruption Committee of the International Chamber of Commerce.

Co-Coordinator, Bankruptcy Law Commission of the Mexican Bar Association.

Head of the Legal Group of MeXXIco Libre de Corrupción.

Former rapporteur for the International Bar Association’s Judicial Integrity Initiative.

Member of the International Bar Association.


Chambers & Partners Global, Chambers & Partners Latin America, Legal 500, Global Investigations Review 100, Global Arbitration Review 100, Latin Lawyer 250, Who´s Who Legal and Best Lawyers among others.




Spanish and English.