Juan Pedro Dueñas Ruart

Professional experience Mariano began his professional career in CUATRECASAS GONÇALVES PEREIRA (1997-2012) where was specialized in Legal & Tax Law to companies, Family business and HNWI. In 2012 joined KPMG (2012-2015), where co-leaded the Family Bussines and Private Client practice in Barcelona, Girona, Balearic Islands and Andorra offices. On January 2016 joins 4|5|3| Law Firm (former Marco Legal, Abogados & Economistas) as a partner, leading the Firm’s Tax Department....

José F. Estévez is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice and Trade Law. José F. practices law in Madrid, Spain Best Lawyers has recognized José F. Estévez since 2020. 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 José F. Estévez is held by other lawyers.

Ignacio Pastor is a lawyer recognized by Best Lawyers in the practice area of Corporate and Mergers and Acquisitions Law. Ignacio practices law in Barcelona, Spain Best Lawyers has recognized Ignacio Pastor 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 Ignacio Pastor is held by other lawyers.

Born in Barcelona in 1968. Partner of Tornos Abogados, S.L.P. He graduates in Law at the Autonomous University of Barcelona in 1992. Diploma in Real Estate and Urban Law at Pompeu Fabra University in 1993. In the Autonomous University of Barcelona, he has defended the Thesis “Legal Regime of the Ecological Label”, obtaining the maximum qualification. He started practicing law on his own, and in 1998 he joined Sicart, Santos & Asociados, until December 2002. In 2003 he joined R...

He began his professional career in 1991 as a lawyer in Madrid at the firm Ernst & Young Abogados and later joined the Sevilla office to oversee the creation of the legal department. In 2004, he became the director of said law firm in Seville. In 2007, he founded Altius, a comprehensive advisory firm highly specialized in companies from diverse sectors such as food, renewable energy, real estate, hospitality, construction, infrastructure, etc. In 2011, he began as a founding partner the p...

Sandra Nicolas is a lawyer recognized by Best Lawyers in the practice areas of Administrative Law and Energy Law. Sandra practices law in Barcelona, Spain Best Lawyers has recognized Sandra Nicolas 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 Sandra Nicolas is held by other lawyers.

Enrique Tejedor de la Fuente is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Enrique practices law in Madrid, Spain Best Lawyers has recognized Enrique Tejedor de la Fuente 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 Enrique Tejedor de la Fuente is held by other lawyers.

Se inició en el ejercicio profesional de la abogacía en 1986. Durante 15 años fue Jefe del Departamento Laboral del despacho Ventura Garcés&López-Ibor. Anteriormente, dirigió su propio bufete de abogados y fue Jefe del Departamento de Recursos Humanos en una empresa del sector de la distribución. Su dilatada trayectoria profesional le ha llevado a prestar asesoramiento laboral a un gran número de empresas pertenecientes a todos los s...

Sergio Juárez is a Partner in the Employment Law department of Andersen Tax & Legal at the Madrid office. He previously worked at Olleros Abogados, CMS Albiñana & Suárez de Lezo and Garrigues. Sergio is a specialist in comprehensive legal and employment advice to public and private sector companies (national and international), as well as in litigation in all levels of the social jurisdiction, and in administrative proceedings before the Labour Inspectorate and So...

Berta Molina is part of the litigation and arbitration department. She is specialized in civil law and insurance.