Hélder Reis has a degree in Economics and a master's degree in Monetary and Financial Economics. He served as Secretary of State for Budget from 2013 to 2015 in the XIX and XX Constitutional Governments. Hélder was the Director-General of the Office for Planning, Strategy, Evaluation, and International Relations of the Ministry of Finance (GPEARI). He worked as an advisor to the Secretaries of State for Fiscal Affairs in the XV, XVI, and XVII Constitutional Governments. He began his career at the Ministry of Finance in 1999 at the Directorate-General for Studies and Forecasts (DGEP). Since March 2016, he has been an economic advisor to the President of the Republic's Civil House. He has participated in various working groups, including the working group for monitoring budget execution (2011), the working group for the study of fiscal policy, competitiveness, efficiency, and fairness of the tax system (2009), the working group for the revision of the Regional Finance Law (2006), the working group for the revision of the Local Finance Law (2005/06), and the working group for the reform of property taxation (2002/03). As a member of the government, he initiated the reform of the Budget Framework Law and the Accounting Standardization System for Public Administrations. Since 1993, he has been teaching in the areas of macroeconomics and econometrics. He has several publications in the field of taxation and public finance.