Aranzazú Sesma Lasierra is a lawyer whose practice focuses on economic criminal law, complex litigation, and transnational criminal matters, with a developing focus on human rights and international justice.

Her professional experience includes advising individuals and companies on criminal matters involving money laundering, fraud, offences against the public administration, and foreign exchange violations. Through her work on complex cases, she has developed experience in matters involving financial misconduct, accountability, and the broader legal consequences of economic and transnational crime.

At FIV, her work contributes to the analysis of cases in which criminal conduct may intersect with the protection of fundamental rights, access to justice, and accountability for serious wrongdoing.

Aranzazú graduated from Universidad Torcuato Di Tella in 2022. Before joining FIV, she worked at Tavarone, Rovelli, Salim & Miani, where she gained experience in corporate law and complex litigation.

She also practices at a leading law firm in Argentina, where she works on criminal and economic crime matters.