Born and raised in Coyote Canyon on the Navajo Nation Indian Reservation, Becenti-Aguilar earned an accounting certificate from Santa Fe Business College and a paralegal certificate from Santa Fe Community College.
In November 2006, she was hired as Native American liaison to the New Mexico Public Regulation Commission, the first to hold the position.
[3] In June 2010, Becenti-Aguilar won the Democratic nomination for public regulation commissioner from the 4th district, defeating three other candidates, with 36%.
[4] When incumbent Commissioner Carol Sloan was removed from office by the New Mexico Supreme Court following felony convictions for battery and burglary, Governor Bill Richardson appointed Becenti-Aguilar to the seat and was subsequently elected in November with 55%.
[5][6] Becenti-Aguilar lost renomination in 2014 to former commissioner and State Senator Lynda Lovejoy 46-32%, with a third candidate taking 22%.