Rosario G. Castaño

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...

Amaya García Fernández is a lawyer recognized by Best Lawyers in the practice area of Information Technology Law. Amaya practices law in Madrid, Spain Best Lawyers has recognized Amaya García Fernández 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 Amaya García Fernández is held by other lawyers.

Maite stands out for her practical legal and economic advice, direct and sincere, prioritizing clarity and efficiency. Maite is a highly qualified and specialised in Mergers and Acquisitions as well as in Commercial Agreements. Among many of her recognitions, Maite is Secretary of the Board of Spanish Biotechnology Association (ASEBIO), Member of the Advisory Council of the Pharmaceutical and Health Law Section of the Madrid Bar Association. Professor of the Center for Pharmaceutical Industry...

Santiago Rodriguez Bajón is a lawyer recognized by Best Lawyers in the practice areas of Communications Law and Information Technology Law. Santiago practices law in Madrid, Spain Best Lawyers has recognized Santiago Rodriguez Bajón 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 Santiago Rodriguez Bajón is held by other lawyers.

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.

Santiago se incorporó a PwC en 1985 en la oficina de Bilbao en el departamento de auditoria, pasando en el año 1987 a la división fiscal. En 1989 se traslada a la oficina de Madrid incorporándose en el equipo especializado en entidades financieras. En 1996 se hace cargo del grupo de constructoras e inmobiliarias especializándose en la tributación de las actividades de construcción e inmobiliaria tanto en el ámbito de la tributació...

Carlos se incorporó a PwC en 1996 y actualmente es socio del departamento de Transacciones de PwC Tax & Legal en España. Es licenciado en Económicas por la Universidad de Barcelona y diplomado en Asesoría y Gestión Tributaria por ESADE. Carlos cuenta con un amplio conocimiento profesional en el ámbito de las transacciones: due diligence de compra y de venta, estructura fiscal, integración post-transacción, planificación fiscal...

Juan Ortiz Úrculo is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense. Juan practices law in Madrid, Spain Best Lawyers has recognized Juan Ortiz Úrculo since 2014. 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 Juan Ortiz Úrculo is held by other lawyers.

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...

Ana Rodríguez Cantarero is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Ana practices law in Madrid, Spain Best Lawyers has recognized Ana Rodríguez Cantarero since 2014. 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 Ana Rodríguez Cantarero is held by other lawyers.