Fiorentini began her journalism work in 2004 with
War Resisters League and
Left Turn. From 2013 to 2019, Fiorentini was a host and senior producer at AJ+, the digital media outlet of
Al Jazeera. She was the host of AJ+ show
Newsbroke. The channel presented comedic spins on current events, with a focus on outreach to younger audiences. The program covered both current events, as well as larger issues such as
white fragility,
labor unionism,
toxic masculinity,
George Soros, and
gun control.
Newsbroke was shortlisted for an Emmy nomination for Outstanding Short-Form Variety Series in 2018. The program was discontinued during June 2018. From 2016 to 2025, Fiorentini appeared on network
The Young Turks as a guest and contributor. She was one of the hosts of The Young Turks show
The Damage Report hosted by
John Iadarola. On March 26, 2025, her former boss,
Cenk Uygur, released a video where he explained why he was firing Fiorentini. Since 2018, she has hosted her own podcast,
The Bitchuation Room. In December 2019, Fiorentini hosted the special
Red, White & Who on
MSNBC discussing the state of healthcare in the United States and the importance of healthcare to American voters beyond the partisan divide. The program traveled to the states of
New York,
Texas and
Utah to talk to voters and featured interviews with political figures such as Senator
Bernie Sanders. Fiorentini concluded in the program that "healthcare in America is often overpriced and even dysfunctional, but it’s the lack of transparency that can be the most insidious". In 2025, Fiorentini co-hosted the
YouTube show
America Unhinged with Wajahat Ali on the
Zeteo network, which is run by
Mehdi Hasan. ==Personal life==