Tere Jaio was a Spanish actress renowned for her extensive work as a voice actress in the dubbing industry, particularly for anime and Western media into Spanish and Basque. Born in Guernica y Luno, Vizcaya, on November 30, 1954, she originally trained and worked as a teacher before transitioning into the world of dubbing. Her career began prior to 1986 with the company K.2000, where she dubbed numerous lead roles and also took on directing responsibilities for various films. Around 1989, she moved to the Edertrack studio, a period of significant adaptation. By the mid-1990s, she was directing dubs for films such as HUD, el más valiente de los mil, working on projects for major Spanish television networks. In the early 2000s, her professional activity decreased due to illness, and she passed away on September 30, 2013.

Jaio's voice became widely recognized across a broad spectrum of anime series dubbed for the Spanish and Basque markets. She is known for several prominent roles in anime series and OVAs from the 1990s and 2000s. Among her credited works are the role of Rikurei Ochi in the OVA series Midnight Strike Force and the character Golem in Iczer Reborn. In the television series His and Her Circumstances, she provided the voice for Maho Izawa. Her portfolio also includes significant contributions to major franchises, such as voicing Dende, Pizza, and Videl in the Basque dubs of Dragon Ball Z, as well as portraying the character Cologne in new dubs for both the Ranma ½ television series and its associated films. Other notable credits include roles in MegaMan NT Warrior as Ribitta, Rune Soldier as the priestess Jenny, and the OVA Stainless Night as Astarisk.

Throughout her career, Tere Jaio demonstrated versatility across different genres and dubbing studios in Spain, working on projects directed by notable figures like Claudio Rodríguez and Alfonso Santigosa. In addition to her prolific work in animation, she lent her voice to numerous live-action films, dubbing internationally renowned actresses such as Sophia Loren, Angie Dickinson, and Gina Lollobrigida. Her work also extended into the realm of video games, with credits including Marbella Vice in 1994 and Sacrifice in 2000. Her contributions are remembered as part of a foundational generation of voice actors in the Basque Country, where she is considered to have been one of the region's finest, though often underappreciated, dubbing talents.