Carlos Díaz Fernández

After five years as an associate at Estudio Legal (1987-1992), where he acquired experience in corporate, banking, capital markets and competition, he co-founded Araoz & Rueda in 1994. Since then, he has developed his practice advising in general corporate and commercial matters and, especially, in Mergers and Acquisitions and Capital Markets, where he has extensive experience. Furthermore, he regularly advises in litigation and restructuring/insolvency matters.

Leading practitioner JUAN ORIOL is a recognized Lawyer, graduated from the University of Barcelona with a Master's degree (LLM) in Intellectual Property and New Technologies from ESADE (Ramón Llull University) and a member of the Illustrious Bar Association of Barcelona (ICAB). As a partner of Oriol-IP with more than twelve years of specialized professional experience, working and advising on matters of Intellectual Property and New Technologies to national and international companies,...

Gonzalo Nuñez is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Gonzalo, who practices law in Madrid, Spain, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gonzalo is held by other top lawyers in the same geographic and legal practice area.

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...

Lawyer, member of the Madrid Bar Association since 1997 and also of the Ciudad Real Bar Association since 1994. He brings his vast experience in Criminal Law to our firm, especially in the field of economic crimes . He has represented defendants in numerous high-profile trials in the Audiencia Nacional . He is also professor of Criminal Law and Ethics at Universidad de Navarra, Instituto de Empresa (IE Law School) and the Madrid Bar Association Studies Center. He joint Mas y Calvet law firm i...

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.

Ángel Bustamante is a top attorney recognized by Best Lawyers in the practice area(s) of Asset Finance Law and Corporate and Mergers and Acquisitions Law. Ángel, who practices law in Madrid, Spain, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ángel is held by other top lawyers in the same geographic and legal practice area.

Partner since 2010. Law degree from the Complutense University of Madrid. Master in Energy Law. Responsible for the firm and its commercial area. Her professional practice is developed mainly in the area of M&A and contracting.

José Conca is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law, Planning, Public Finance Law and Real Estate Law. José, who practices law in Valencia, Spain, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José 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...