Antonio has worked as health economist in different settings.  First, as a Researcher Fellow at the Centre for Health Economics of the University of York (UK) where he focused on the measurement of efficiency in the provision of primary care services and on the impact of financial incentives on physicians' and patients' behavior.  Later, as Health Economist at the Organization of Economic Cooperation and Development (OECD), he was responsible for the OECD Cross-National Study on Human Resources for Health Care. Antonio also worked for eight years at the Inter-American Development Bank (IDB) both at headquarter in Washington, DC and at Brasilia office.

Previously, at the World Bank Group,  Antonio was a Senior Economist at the Health Nutrition and Population Global Practice providing support to countries in the ECA and LAC regions.

Antonio holds a Ph.D. and a M.Sc. in economics from the University of York, UK.