Oscar Guinea

Oscar Guinea


Oscar advises national and international financial institutions, funds and major companies in some of the main insolvency proceedings in Spain, including restructuring plans, pre-insolvency and insolvency scenarios, enforcement of security instruments and acquisitions of NPLs or distressed debt portfolios and single names.
In addition, he participates in financial and civil disputes and provides assistance to the Banking & Finance department in syndicated financing transactions.



Representative matters

Food Delivery Brands (Telepizza) on the restructuring of its financial indebtedness through the newly implemented Restructuring Plan, entered into with the majority of its creditors.

Spanish financial institutions pool on the insolvency proceedings and liquidation of Grupo Adveo.

Multiple Spanish and foreign lenders on the insolvency proceedings of Grupo Abengoa and the pre-pack sale of its productive unit.

Certain financial institutions on the successful challenge to the homologation of the refinancing agreement of Nueva Pescanova.

Pro bono

Advising Comité de Emergencia Español (Disasters Emergency Committee, DEC), on several pro-bono projects

Mentoring college students and young professionals through Zrive, an educational and career guidance platform

Leadership Positions And Professional Affiliations

Member of the Turnaround Management Association (TMA Spain)

Member of the Madrid Bar Association



Restructuring and Refinancing Executive Programme, IEB, 2020

Double Master’s Degree (LL.M.) in Access to Legal Practice in Business Law, University of Navarra, 2018

Double Degree in Law and Business Administration, University of Oviedo, 2017


English, Spanish
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.