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Cristina M. Medina (Previously Cristina Milizia) is a four-time award-winning, bilingual voice actor specializing in animation, toy, and video game work. Awards include: Best Performance – Animation, Female, and Voice Actor of the Year, Female (One Voice Awards 2025), Outstanding Animation Character, Film or TV, Best Voiceover (SOVAS, 2022), & lifetime achievement Voice of Greatness Award (VO Atlanta Conference, 2026). She is also the Founder/Creator of Global Voice Acting Academy and the GVAA Rate Guide.

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Cristina is most well known for voicing Annie & Amumu on League of Legends, Hispanic Green Lantern Jessica Cruz for DC, Poison Ivy on Cartoon Network’s DC Super Hero Girls, M’Ress for Star Trek, Teresa for Barbie Mattel, Momo for Infinity Nikki, Baby Bottle on The Cuphead Show, Nemona for Pokémon Masters EX, Stella Gonzales in Jentry Chau vs the Underworld, and a mulititude of characters in Pixar's Lightyear, Nickelodeon's Baby Shark, Nickelodeon’s Rugrats, Pixar's Onward, Butch Hartman's Bunsen is a Beast and The Garden Cartoon.

Cristina M. Medina was born Cristina Ulloa in Oakland, California, into a struggling performing artist family. The daughter of a Peruvian immigrant father, who came from 3rd world poverty, and a mother who grew up in Mexico/United States, Cristina was raised biculturally and speaks both Spanish and English. With little money for childcare, Cristina was put on stage as a young child accompanying her parents.

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She won her first recurring job for The Learning Company accidentally, when she was nine; as Cristina was waiting in the lobby for her mother, who was auditioning for a part, the casting director (Ned Lott, who later became the casting director for Disney Character Voices) asked her if she wanted to audition. She booked the Spanish speaking role, and from then on was called in regularly.

Cristina spent most of her early career specializing in toys and games. Her credits include almost every toy company in the United States, including Mattel, Fisher-Price, Hasbro, Leapfrog, SpinMaster, Toys R Us, Hallmark, MGA Entertainment, Build-A-Bear, American Girl, Moose, Jakks Pacific, Playhut, and Play Along Toys. She eventually went on to work as a talent and casting coordinator for Creativity Inc, an audio production company and recording studio, where she learned to direct, sound design, and engineer voice-over sessions.

In 2012, Cristina moved to Los Angeles and won her first animation roles as Lala the Koala in Doc McStuffins, Moanica D’Kay for Monster High, Darcy in Bunsen is a Beast, and Teresa for all of Barbie Mattel, which she has now voiced for 10 years.

In 2018, Cristina became the first woman in history to voice Hispanic Green Lantern Jessica Cruz for DC Super Hero Girls. This was followed by three LEGO DC films as Jessica Cruz, which launched her career as one of animation’s leading Latina voice Actresses.

Cristina is proud to have voiced starring roles on Nickelodeon's “The Casagrandes”, Cartoon Network’s “Victor and Valentino”, and Disney’s “Primos”, each network's first animated series featuring families and stories about Latino culture.