Lucas Millán is a researcher for TJN’s Financial Secrecy Index and Corporate Tax Haven Index. He studied in France and the United States, completing Bachelors’ degrees at Pierre et Marie Curie and Panthéon-Assas universities, followed by Masters degrees at Paris-Sorbonne and Boston universities. His academic path has taken him from mathematics and law, to international relations, and finally to tax law and policy. During his training, Lucas has also become familiar with the R programming language. In close collaboration with other members of the TJN team, he researches technical aspects of corporate tax evasion, breaking the veil of legal complexity to address damaging tax policies promoted around the world.