That year, the then mayor of Bogotá, Luis Eduardo Garzón, appointed her as Undersecretary of Planning and Finance of the Bogota District Education Secretariat.

The new mayor of Bogotá, Samuel Moreno, appointed Velasco as District Habitat Secretary for the period between January 1, 2008, and October 31, 2009.

Since February 2014, she has been a consultant in Public Policy and Urban Management for the Bogota Mayor's Office during the administrations of Gustavo Petro Urrego and Claudia López Hernández.

On August 7, 2022, Velasco was appointed by President Gustavo Petro as Minister of Housing of Colombia, accepting one of her biggest challenges in policy matters, she has been emphatic in the idea that Colombia has a robust business system, but there has not been a complete coverage of the drinking water system as well as basic sanitation,[10][11] with the rural areas being the most affected, within her commitment as minister she has sought strategic allies for the implementation of some of the most important public policies of her position.

[12][13] In 2023, United Nations Secretary-General António Guterres appointed Velasco to his Advisory Group on Local and Regional Governments, co-chaired by Pilar Cancela Rodríguez and Fatimatou Abdel Malick.