Maider Arrieta Artieda

Javier es licenciado en Derecho por la Universidad de Navarra (1992) y LLM por University College London – UCL- (1996), miembro del Ilustre Colegio de Abogados de Madrid (1993) y “Solicitor of the Law Society of England and Wales (1997) y profesor de M&A (Fusiones y Adquisiciones) en el Instituto de Empresa. Javier tiene gran experiencia en la especialidad de M&A, habiendo realizado numerosas operaciones, tanto nacionales como internacionales, coordinando equipos en divers...

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.

Rafael is a Banking & Finance partner at Araoz & Rueda. Rafael specialises in corporate finance, acquisition finance, asset finance and, since 2008, in the restructuring of companies in crisis. In this last field he has advised both banks and affected companies.He also has extensive experience in inter-European and other cross-border operations and in regulatory issues involving supervisory authorities. Rafael frequently collaborates with lawyers from Mayer Brown's New York, London an...

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.

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...

Francisco Solchaga, Araoz & Rueda partner since 2007, joined the firm as an associate in 2000 after two years as an associate at Uría Menéndez, where he acquired experience in mergers and acquisitions and securities markets. Francisco is specialized in energy, advising on numerous projects relating to the promotion and financing of wind and solar plants. He has also extensive experience in mergers and acquisitions and securities markets.

Jaime Silva is a Partner in the Employment Law and Social Security Department at the Madrid office of Andersen Tax & Legal. He previously worked at Garrigues CMS Albiñana & Suárez de Lezo and Olleros Abogados. Jaime Silva is a specialist in labour litigation and legal advice to companies in public and private sector and he has wide experience in IT industry and the posting of workers abroad. In the academic field, Jaime is lecturer in several programmes about Labour Law ...

Luis es socio en el área de M&A Fiscal en la oficina Madrid. Se incorporó a PwC Tax & Legal Services en 1999 y su experiencia profesional se centra en el asesoramiento a empresas españolas y europeas en sus proyectos internacionales, tanto en Latinoamérica como en el resto del mundo, para lo cual trabaja de forma coordinada con la red internacional de PwC. Luis ha trabajado para empresas de los sectores financiero, de construcción e ingeniería...

Paula Segura is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Paula, who practices law in Madrid, Spain, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paula is held by other top lawyers in the same geographic and legal practice area.

Se incorporó a la firma en 1988 y es socio desde 1996. Ha desarrollado su carrera en el área fiscal y así mismo ha ejercido distintas posiciones directivas en la firma.Actualmente es responsable de Coordinación de oficinas y miembro del Comité de Dirección de la firma. Presta su asesoramiento a grupos empresariales tanto nacionales como internacionales, esencialmente familiares y participa en consejos asesores y de administración.