Thelma Esperanza Aldana Hernández de López (born 27 September 1955) is a Guatemalan jurist noted for her role in investigating high‑level corruption and for strengthening judicial accountability. Trained as a lawyer, Aldana has served at senior levels of Guatemala's judiciary and public prosecution, emerging as a prominent public figure during landmark criminal inquiries in the 2010s.

Career and public offices

Aldana became a magistrate on Guatemala's Supreme Court of Justice in 2009 and was chosen by her peers to serve as president of that court for a leadership term beginning in 2011. After leaving the court, she was appointed Attorney General (Procuradora General) in 2014, succeeding Claudia Paz y Paz. In those positions she combined courtroom experience with administrative responsibility for courts and prosecutions.

Major investigations and actions

As Attorney General Aldana worked closely with the United Nations‑backed International Commission against Impunity in Guatemala (CICIG) to pursue complex graft networks and institutional corruption. Her office advanced cases that led to the arrest and prosecution of senior officials, including the 2015 investigation that produced the resignation and detention of then‑President Otto Pérez Molina. These efforts were widely covered in domestic and international media and were seen as pivotal moments in Guatemala's recent political and judicial history.

Approach and characteristics

Aldana is known for a prosecutorial approach that emphasized legal procedure, forensic investigation, and interagency cooperation. Colleagues and observers have described her as persistent and reform‑oriented; critics, particularly those targeted by investigations, accused her of politicizing prosecutions. She combined work inside formal institutions with outreach to international partners to strengthen capacity for complex criminal cases.

Recognition and controversies

  • Her anti‑corruption work earned international praise and several honors from civic and legal organizations while she held office.
  • Following the high‑profile cases, Aldana and some collaborators faced legal challenges and politically charged accusations that supporters described as retaliation for her prosecutions.

For further reading on her professional profile and legal initiatives see a general biography entry for her role as a lawyer, a short note on her judicial work as a judge, and contextual material about her tenure as Attorney General. Commentary on her public impact and independent reports about the anti‑corruption cases can be found via broader legal and news analyses (overview sources).