[4] She earned a Bachelor of Arts degree from Pennsylvania State University, where she majored in studies of crime, law, and justice.

[5][4] Cabán's 2019 campaign for Queens County District Attorney focused on criminal justice reform,[6] including ending mass incarceration and the War on Drugs.

[10] The race drew national attention, drawing comparisons to Ocasio-Cortez's upset victory in the 2018 House primary election over Joe Crowley.

The previous District Attorney, Richard Brown, had intended to retire after the election, but died in office shortly before the primary.

Tiffany was joined by fellow council members Chi Osse, Alexa Aviles, Shahana Hanif, and Sandy Nurse.

[23] On September 16, 2024, she became the first member of the New York City Council to publicly call for mayor Eric Adams to step down from office, due to ongoing criminal investigations into many of his close associates.