José Lasa Azpeitia

Rafael Ansón Peironcely is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Rafael, who practices law in Madrid, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rafael is held by other top lawyers in the same geographic and legal practice area.

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...

Eduardo de León is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Eduardo, who practices law in Madrid, Spain, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo is held by other top lawyers in the same geographic and legal practice area.

Joined Crowe Legal and Tax in 2024 and is currently a Partner in the Banking and Finance Area. He has extensive professional experience in financial markets law, having developed his career at top-tier firms such as Cuatrecasas, PwC, and Andersen. As a result, he has had the opportunity to participate in some of the most significant transactions of the last decade. Joaquín leads the Banking and Finance Law team, which specializes in traditional and alternative financing operations, cap...

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...

Javier Fernández-Samaniego is Managing Director of SAMANIEGO Law, an alternative Iberoamerican law firm specializing in technology law and dispute resolution. Javier's international practice focuses mainly in Commercial/IT disputes (international litigation, arbitration, and ADR) and negotiations and major Tech & Privacy projects (new cloud and big data business models, outsourcing transaction, data protection review programs, etc.). Javier has vast experience assisting European cl...

José F. Estévez is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice and Trade Law. José F., who practices law in Madrid, Spain, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José F. is held by other top lawyers in the same geographic and legal practice area.

Javier Prieto, partner of the Tax Department at Araoz & Rueda since 2011, joined the firm after three years as a partner at the Tax Department at Ramón y Cajal (2008-2011). Prior to joining Ramón y Cajal he worked as an associate in the Tax Department at KPMG Abogados (1999-2002) and then as an associate in the Tax Department at Uría Menéndez (2002-2008). Javier is specialized in: Tax advice arising from national and international M&A transactions (investme...

Ignacio Guillén González is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Ignacio, who practices law in Madrid, Spain, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ignacio is held by other top lawyers in the same geographic and legal practice area.

Attorney for SOL MUNTAÑOLA ABOGADOS law firm ( www.solmuntanola.com ). He graduated in Law from Universitat Oberta de Catalunya (http://www.uoc.edu), and he obtained an IT Engineer Degree at the Universitat Politècnica de Catalunya (www.upc.edu). He has focused on the field of Intellectual Property and other matters related since 2002, and he is a specialist in digital technology. He combines his professional activity with teaching in different fields of the Law, and he has taug...