Josema Soler is a prominent Spanish voice actor recognized for his extensive work in dubbing anime and other animated productions into Spanish, particularly for audiences in Spain. He is known for lending his voice to a wide array of characters, ranging from seasoned mentors to quirky antagonists, demonstrating considerable versatility across different series and films.

Soler's career is documented through a substantial list of credits in anime dubbing. He is the Spanish voice for Yasufumi Nekomata, the veteran coach of Nekoma High's volleyball team, in the Haikyu!! anime franchise, including the Haikyu!! LAND VS. AIR original video animation and the Haikyū!! Lev Kenzan! special. His other notable anime roles include the physician Kenoi in the fantasy film The Deer King, Jim Cusack in the theatrical film Children of the Sea, and Monto Minatoya in the film Psycho-Pass: Sinners of the System. He also voiced Kazuo Nakano in the series Ultimate Muscle. His filmography further extends to major franchises, where he has voiced Gordon in One Piece Film Red, Henry Henderson in the popular series Spy×Family, and Bresson in Lupin III THE FIRST, among many others. In addition to his work in Spanish dubs for anime, he has also contributed to Valencian-language dubs, such as providing the voice for the narrator in One Piece and for Futaba Mejiro in Igano Kabamaru.

Beyond his on-screen roles, Josema Soler holds a significant leadership position within the dubbing industry. He serves as the president of the Colectivo Profesional del Doblaje (CPD), a professional association for voice actors based in the Valencian community of Spain. In this capacity, he has been an outspoken advocate for the profession, particularly addressing the challenges and threats posed by artificial intelligence to voice actors and the broader cultural industry. He emphasizes the need to protect a voice actor's identity as a personal right and actively monitors legislative developments regarding AI on both national and international levels. His commitment to the craft is also evident in his involvement in revitalizing industry events, such as the Premis Veu (Voice Awards) in Valencia, which aim to celebrate and recognize the artistic quality of dubbing work done in the region. Through his leadership, he champions the high artistic standard of Valencian dubbing, asserting its comparability to the work produced in major dubbing hubs like Madrid and Barcelona.