Guillermo Bailach

Francisco Gonzalez Fernández-Mellado is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Francisco practices law in Madrid, Spain Best Lawyers has recognized Francisco Gonzalez Fernández-Mellado since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Francisco Gonzalez Fernández-Mellado is held by other lawyers.

Educational background Business Administration and Law Degrees from Universidad Pontificia de Comillas, Madrid (ICADE E-3) LLM from the Centro de Estudios Financieros, Madrid (CEF) Professional experience Jaime has worked with top tier tax advisory firms, such as Cuatrecasas, EY, KPMG, having also lead the tax area of Ontier, and currently standing as tax partner of the Madrid Crowe’s office. He is specialized in tax structuring of cross-border transactions of Spanish and foreign multin...

Gonzalo García-Valdecasas Colell is a Founding Partner and attorney at Cysae in Madrid, where he advises companies and entrepreneurs on matters involving fintech , corporate law , and Intellectual Property Law . His practice focuses on the legal and regulatory issues that arise at the intersection of technology, finance, and business operations. He works with clients on topics including information technology law, data protection, blockchain and digital assets, cybersecurity, and finan...

Carlos Martínez-Cava Arenas is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Carlos Martínez-Cava practices law in Madrid, Spain Best Lawyers has recognized Carlos Martínez-Cava Arenas since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Carlos Martínez-Cava Arenas is held by other lawyers.

Pedro Rueda was an associate in the Department of Mergers and Acquisitions at Gómez-Acebo & Pombo (Madrid, 1987-1994), where he was promoted to partner in 1994, after having spent one year as a foreign associate in the Department of Mergers and Acquisitions at Skadden, Arps, Slate, Meagher & Flom, New York. In 1994 he co-founded Araoz & Rueda and since then he has developed his practice in the area of Mergers and Acquisitions, where he has extensive experience in advising a...

Juan José Ortega is the founding partner of Ortega & García Abogados and has been a practising member of the Valencia Bar (ICAV) since 2008. His practice focuses on complex commercial litigation and appeals, with particular emphasis on structured financial products, derivatives, financing transactions, contractual nullity and damages claims, follow-on competition damages actions and collective redress. He has acted as counsel in several Spanish Supreme Court judgments, inclu...

Efrén Díaz Díaz is a Lawyer and Doctor of Law. Senior Associate at Mas y Calvet Law Firm (Madrid). Head of the Technology and Space Law Areas of the Mas y Calvet Law Firm. Data Protection Officer in Europe in the financial, legal, health, geospatial and educational sectors.Specialist in Administrative, Technological and Geospatial Law, he develops tasks in regulated sectors, technology, foundations, geospatial coordination Cadastre-Property Registry, public and private co...

Joaquín Serralta Huerta is a lawyer recognized by Best Lawyers in the practice area of Corporate and Mergers and Acquisitions Law. Joaquín Serralta practices law in Madrid, Spain Best Lawyers has recognized Joaquín Serralta Huerta since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Joaquín Serralta Huerta is held by other lawyers.

Santiago Thomás de Carranza is managing partner of the Madrid office, and is a practising lawyer, economist and university lecturer. He studied Law at the Universidad Complutense de Madrid and Economics at the Shiller International University. After obtaining his degree he prepared for the competitive examinations for entry into the Corps of State Lawyers. In 1997 he joined Despacho Melchor de las Heras as a lawyer, working in the corporate and public law departments. In 2003, he co-fo...

Jacobo Lavilla Pons is a lawyer recognized by Best Lawyers in the practice area of Litigation. Jacobo practices law in Madrid, Spain Best Lawyers has recognized Jacobo Lavilla Pons since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jacobo Lavilla Pons is held by other lawyers.