[1] A member of MORENA, she also served as the President of the Senate from 2023 to 2024.

[2] Rivera was born on 14 February 1973 in the Santiago Cuaura neighborhood of Calpulalpan, Tlaxcala.

She studied law at the Autonomous University of Tlaxcala; in 1994 she was a delegate to the National Democratic Convention convened by Zapatista National Liberation Army (EZLN).

From 2008 to 2011, she represented the state's 13th district in the 59th session of the Congress of Tlaxcala; in 2014 she joined the National Regeneration Movement (Morena).

[4][5] She won re-election as one of Tlaxcala's senators in the 2024 Senate election, occupying the second place on the National Regeneration Movement's two-name formula.