Antonio Fernández de Buján y Arranz is an important professional in the Law Sector due to his expert and multidisciplinary handling of different areas of the Legislative and Executive field. He is a highly qualified professional in the Financial and Tax Area, a specialist in Human Rights and in the public sector.

In addition, he has undertaken and directed several lines of research, highlighting among them the one related to the circulation of products subject to special manufacturing taxes, on which he focused his thesis and for which he obtained the Cum Laude distinction. He has also dedicated part of his career to teaching, as Associate Professor in various university and postgraduate programs.

• Senior Manager of KPMG Abogados
• Professor of the Professional Master's Degree in Tax Practice at Garrigues Study Center. 
• Professor of Financial and Tax Law at CUNEF University.
• Associate Professor of Financial and Tax Law at Complutense University of Madrid. 
• PhD in Law from Universidad Complutense de Madrid. 
• Specialist Degree in Human Rights from the Complutense University of Madrid. 
• Official Master's Degree in Public Law from the Complutense University of Madrid. 
• Member:
  • Spanish Association of Tax Advisors
  • Editorial Board of Aranzadi Experto Fiscal