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Violeta Ruiz Almendral

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Última actualización: 07/04/2021

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Associate Professor of Tax and Finance Law 

Orcid ID 0000-0002-5401-6441
E-mail: violeta.almendral[at] 

 versión en español


Violeta Ruiz

Madrid, Spain (1975). Associate Professor (“Profesora Titular”) at the Universidad Carlos III de Madrid, specialized in Finance and Tax Law. Regularly teaches Tax and Finance Law, as well as a number of courses on international taxation, European taxation and public spending (Budget Law). Ruiz Almendral has been a Visiting Fellow at the Westfälische Wilhelms-Universität zu Münster (Münster), 2003/2004, the International Bureau for Fiscal Documentation (Amsterdam, 2005), the James Rogers College of Law (Tucson, 2006), the European University Institute (Florence, 2008) and the London School of Economics (London, 2010).

During 2011-2020 she served as Law Counsel at the Spanish Constitutional Court. Her work as a Counsel consisted of writing proposals for Claims of unconstitutionality (“recurso de inconstitucionalidad”), to be then discussed by the Court. It was also her role to write non-binding proposals on Individual appeals for the protection of fundamental rights (“recurso de amparo”).

Her research has received funding from many different institutions [including the Deutscher Akademischer Austauschdienst –DAAD, Fundación La Caixa (2003-2004), and Fundación BBVA (2020-2022).(

She has been awarded several academic prizes, including the leading tax law prize in Spain (Premio Estudios Financieros), granted in 2000, 2004, 2008 and 2010 as well as the “Award of Excellence” (Premio de Excelencia), granted in 2009 by the Fundación Universidad Carlos III for Professors under 45 .
She has published and co-edited four books and more than 60 articles and book chapters on her main lines of research: fiscal federalism and sub-national taxation, tax avoidance in the European and international arena and European tax harmonization, as well as on budgetary law.

Some publications are fully available here: Social Sciences Research Network ( and here:

Ruiz Almendral has participated in a number of international projects, including a project to provide legal assistance to the Iraqi constitutional process, under the auspices of a program financed by the United Nations, and, specifically, the National Democratic Institute and the Forum of Federations (National Assembly, Baghdad (Iraq), July 2005), Amman, Jordan, 2007 and 2008).

She regularly consults on different budgetary and tax issues for political institutions (municipalities and autonomous communities) and private companies.

Teléfono: 91 624 93 42 - Fax: 91 624 98 77

Dirección Postal: C/ Madrid, 126 - 28903 GETAFE (MADRID) ESPAÑA