Tasia Valenza is an American actress who has built a prolific and enduring career as a voice artist across animation and video games, in addition to her work in live-action television and film. Her voice is noted for its versatility, capable of conveying a wide range from seductive and alluring to bright and animated.

Valenza's career began in front of the camera. She gained early recognition for her role as Dottie Thornton on the soap opera All My Children, a part she played from 1982 to 1986 and which earned her a Daytime Emmy nomination. Throughout the 1980s and 1990s, she made guest appearances in numerous popular television series, including The A-Team,, Cheers, and a memorable turn as the Vulcan T'Shanik in Star Trek: The Next Generation. She also had a recurring role as Lieutenant Winslow in the series Space: Above and Beyond.

This on-screen experience provided a foundation for her transition into voice acting, where she has become best known for bringing strong, often villainous, female characters to life. In the realm of anime, she is recognized for her role as Natasha in the English dub of the 1994 series Tekkaman Blade II. Her voice work in animation is extensive and spans decades, with credits in iconic series such as Batman: The Animated Series, Aaahh!!! Real Monsters, The Real Adventures of Jonny Quest, The New Batman Adventures, The Wild Thornberrys, and What's New, Scooby-Doo?. She also had a recurring role as Maria Amino in the animated series Ozzy & Drix.

Valenza has achieved significant acclaim and a worldwide following for her performances in video games. She is perhaps most synonymous with the character Poison Ivy, having voiced the role in multiple installments of the Batman: Arkham series, including Batman: Arkham Asylum, Batman: Arkham City, and Batman: Arkham Knight, as well as in Injustice 2 and Lego DC Super-Villains. Another landmark role was providing the English voice of the sniper Sniper Wolf in the influential video game Metal Gear Solid. Her contributions to the Star Wars universe are also substantial; she has voiced the Jedi General Shaak Ti in Star Wars: The Clone Wars, the rogue agent Kaliyo Djannis in Star Wars: The Old Republic, and other characters in series like Star Wars Resistance and Star Wars: The Bad Batch. Her other notable video game credits include Sophia Hapgood in Indiana Jones and the Infernal Machine, Spider-Woman in Marvel: Ultimate Alliance, and Amelia Black in Age of Empires III.

Valenza's talent has been recognized with a Daytime Emmy Award for her voice-over work, cementing her status as a top professional in her field. Beyond performing, she shares her expertise through Giving Great Voice, a coaching platform she founded to help others develop their communication skills and find their own unique voice. She has also lent her voice to charitable causes and co-created a free meditation app, Haven Affirmation Meditations.