Marc Winslow is a Mexican voice actor, director, and singer born on December 31, 1997, in Mexico City. His career in the entertainment industry began at a young age, starting with private piano lessons and later vocal training. He began his professional life as a singer at Candiani Dubbing Studios before transitioning into voice acting at the studio DAT Doblaje Audio Traducción. He has also pursued formal musical education at the Faculty of Music at the National Autonomous University of Mexico (UNAM).

Winslow has built a career as a versatile voice actor, lending his voice to a wide array of characters in anime, animated series, and video games. His notable anime roles include Giyu Tomioka in Demon Slayer: Kimetsu no Yaiba, a performance he found to be a significant challenge and an opportunity to explore a different type of character. He also voices Gamma 1 in the film Dragon Ball Super: Super Hero, and Hibiki in the Netflix film Bubble. His other credits include Neku Sakuraba in The World Ends with You the Animation, Daniel Kai Shigure in Deep Insanity: The Lost Child, Mikhail Yashin in Irina: The Vampire Cosmonaut, and Natsuki Sugano in Stand My Heroes: Piece of Truth. In addition to anime, his work encompasses characters such as Sonic in Sonic Prime, Neteyam in Avatar: The Way of Water, and Ezreal in League of Legends.

Beyond performance, Winslow has also taken on directorial roles. He directed the Latin American Spanish dubbing for the first season of Demon Slayer: Kimetsu no Yaiba and its subsequent film, Mugen Train. In this capacity, he was responsible for casting decisions and advocated to maintain the voice actors he had originally selected. He also served as the ADR director for the Latin American Spanish version of the anime series Japan Sinks: 2020. Furthermore, he is involved in music direction for television series, including The Simpsons and Family Guy.

Winslow has also become a recognizable voice for Korean drama dubbing in Latin America, providing the Spanish voice for actors such as Song Kang in Sweet Home and Kang Tae-oh in Run On. His ability to adapt his voice for different characters and his work across various facets of dubbing have established him as a prominent figure in the Mexican entertainment industry.