Andrés has been a State Financial Inspector and a State Mediator and Auditor since 1991. He was Chief Inspector of the Agency of Inspection in Madrid and Assistant Director of Management Training at the Ministry of Economics and Finance for the Institute of Fiscal Studies. He joined the Firm as Partner and Head of the Tax Department in 2005. He has extensive experience as a tax advisor in corporate restructuring, large family estates and tax audit procedures. His professional practice is international, often involving side-by-side work with Mayer Brown lawyers for processes involving international tax advice. He has acted on cases relating to a wide range of economic sectors, including real estate, finance, hospitality, technology and industry.