Cristina is a Lecturer in Criminology at the European University of Valencia, a Criminologist and Researcher at the Center for the Research on Global Governance and a Member of the Research Network on Responses to Corruption Linked to Transnational Organized Crime of the Iberoamerican Institute of the Hague. She holds a PhD in Rule of Law and Global Governance from the University of Salamanca in which she conducted a criminological analysis of the decision-making process of whistleblowers in cases of public sector corruption.

Cristina worked for the Organization for Economic Cooperation and Development (OECD) on the improvement of public policies to combat corruption in Spain. She also worked at the Observatori Ciutadà Contra la Corrupció, an entity dedicated to the analysis and combat of corruption in the Valencian Community, providing advice on public policies and being part of the Advisory Council of the Valencian Anti-Fraud Agency. Her contributions stand out in collective works developed in Brazil, Cuba and Argentina.