Marta María Higueras Garrobo (born 1964) is a Spanish criminal mediator, linked to the judicial sector from the start of her career.

[1] From 2015 to 2019, she served as First Deputy Mayor of Madrid and a councillor in the Department of Equality, Social Rights and Employment.

In the Basque Country she was adviser for the Justicia con Inmaculada de Miguel and in August 2009 she was named the Director of Justice and Public Administration, a role she occupied during the socialist government of Patxi López,[2][3] until January 2013.

[4] Some of the media consider Higueras to hold a position of confidence with Manuela Carmena in the City Council of Madrid.

[5] She has known the judge since 1992 when they worked together in the Juzgados de Plaza Castilla and since then they have maintained a close relationship.