Santiago holds a degree in Law (Auotonomous University of Madrid). Master of Environmental Politics and Management (Carlos III University). Master of International Bussines Law (IE).
Hogan Lovells. Partner in charge of the Regulatory Law Department.
Garrigues. Partner in charge of the Environment Department (2000-2013).
Ernst & Young DJT. Director of the Environment and Energy Department (1997-2000).
J & A Garrigues. Public Law Department (1993-1996).
J & A Garrigues. New York office (1991-1992).
The activities undertaken have been fundamentally focussed on matters in Administrative Law and, in particular, in areas including Environment, Energy, Mines, Climate Change, and the CO2 Emissions Market.
Professor in various postgraduate programs and organiser of seminars, conferencies and training programs.
Member of the Bar Association of Madrid (ICAM).
Named as the Leading Lawyer in the Chambers Europe directory (Band 1), The Legal 500 (Leading individual), Who is Who Legal, Best Lawyer y PLC Which Lawyer? (Leading).