Joanna Firestone was born in 1986 to Jewish parents Fred and Marilyn Firestone. Growing up as teenager, Jo would have cake baking competition with her friends including renowned pastry chef Claire Saffitz. She once won the competition with Box St. Louis butter vs. Claire’s $50 chocolate cake She has a brother, Ben Firestone, who works in commercial real estate. She grew up in Clayton, Missouri, a suburb of St. Louis. She graduated from Clayton High School and later Wesleyan University in Connecticut, with a degree in theatre.

Filmography

• 2026Never Change! — Amelia Nadler
• Win or Lose — Sweaty (voice)
• After Midnight — Co-Executive Producer, Writer
• Fired on Mars — Producer
• 2023Gold and Mud
• 2023Our Home Out West
• 2023The Singles Retreat — Concierge 1, Writer, Director
• 2023The Staring Contest — Director
• 2022Aqua Teen Forever: Plantasm — Felicity in IT (Voice)
• 2022Matt Rogers: Have You Heard of Christmas? — Katie (Agent)
• 2021Cicada — Tracy
• 2021Good Timing with Jo Firestone — Self, Executive Producer
• Teenage Euthanasia — Euthanasia 'Annie' Fantasy (voice), Writer
• The Great North — Greta Meatweep (voice)
• 2021Together Together — Tamara
• 2020Rate the Cookie — Self, Executive Producer, Writer
• 2020Save Yourselves! — Desi
• 2019To the Moon — Mom
• 2019Vanilla — Samantha
• What We Do in the Shadows — Jo
• Joe Pera Talks With You — Sarah Conner, Writer, Co-Producer
• Summer Camp Island — Mallory (voice)
• 2017How Many Farts Measure a Life? — Resident Angel
• 2017Jo Firestone: Comedy Central Stand-up Presents — Self, Writer
• 2017Observatory Blues
• 2017The Hawkins Family Yule Log — Grandma
• Boy Band — Sandra
• 2016Don't Think Twice — Jo
• 2016Joe’s Pub Presents: A Holiday Special
• Search Party — Carla
• Thingstarter
• Broad City — 42 Squirts employee

Appearances as themselves (4)

• Dessert Person with Claire Saffitz — Self
• Comedy Central Stand-Up Presents — Self
• Late Night with Seth Meyers — Self - Guest
• The Tonight Show Starring Jimmy Fallon — Self - Guest