María Juliana Ruiz

During the COVID-19 pandemic, on 25 November 2020 she tested positive for COVID-19 but was asymptomatic. President Duque tested negative.

After her experience in the United States, she returned to her native country to join the Shaio Clinic, where she served as Secretary General until she became the nation's First Lady in 2018, when her husband Iván Duque Márquez was elected President of Colombia, succeeding Juan Manuel Santos. From her position, Ruiz has led various social projects, most notably the Great Alliance for Nutrition, an initiative that seeks to mitigate the impact of child malnutrition in the country.

Ruiz met Iván Duque Márquez in his youth and years later began a relationship with him while living in Washington, D.C. The couple married on 15 February 2003 and returned to Colombia when Duque decided to run for the Senate of the Republic. Their three children were born in Washington: Luciana, Eloísa and Matías.

María Juliana Ruiz Sandoval (born 25 May 1978) is a Colombian politician who served as First Lady of Colombia from 2018 to 2022. She is married to Iván Duque, who became former president of the country on 7 August 2018 to 2022, succeeding Juan Manuel Santos.

Ruiz was born in Bogotá in 1978, to Luis Fernando Ruiz and Gloria Sandoval. She did her basic studies at the Marymount School and later entered the Pontifical Xavierian University, where she studied law. After finishing her undergraduate studies, she moved to Paris to study at the Institut Catholique. She later moved to Washington, D.C., where she obtained a Master of Laws with an emphasis on International Business at the Washington College of Law of American University.