Keiko Yokozawa is a highly respected Japanese voice actress, actress, and narrator, best known for her long-running role as Dorami, the sister of Doraemon, in the beloved anime series. Born on September 2, 1952, in Niigata City, Japan, she began her career after graduating from Niigata Prefectural Niigata High School and later attending the Haikyo Drama Research Institute, affiliated with the Tokyo Actors' Consumer's Cooperative Society.

Her interest in performing arts was encouraged from a young age when her parents enrolled her in a children's theater company to help her master standard Japanese. Initially considering a path in science or as a news announcer, she ultimately pursued voice acting, debuting in 1975 with a role in the anime series Time Bokan. In 1988, she founded her own talent management agency, YU-RIN Pro, and continues to serve as its representative, dedicating herself to training new voice actors at her school.

Yokozawa's career is marked by a wide array of iconic roles, particularly throughout the 1970s, 1980s, and 1990s. She is most celebrated for voicing Dorami in the Doraemon franchise, a role she held for 25 years from 1979 to 2005. Her filmography includes many leading and supporting characters, such as Sheeta in Hayao Miyazaki's classic film Castle in the Sky, the title character Mami Sakura in Esper Mami, and Benio Hanamura in Haikara-san ga Tōru. She also provided the voice for roles like Pikkoro in the long-running puppet show Niko Niko Pun and Natsumi Asaoka/Eru in The Kabocha Wine.

The extensive list of roles provided showcases the breadth of her work. These include O-jiro in the Obake no Q-Taro films and series, Jeruna Flarestar in Justy, Silky Mau in Aura Battle Dunbine: The Tale of Neo Byston Well, Pandora in The Three-eyed One: Prince in the Devile Island, Mika Shikishima in Gasshin Sentai Mechander Robo, Sue Silvergray in Bannertail: The Story of Gray Squirrel, and Rui Shinpi in Kagaku Bōkentai Tansar 5. Her long association with the Doraemon franchise also includes numerous films and shorts featuring Dorami, such as 2112: The Birth of Doraemon, Dorami & Doraemons: Robot School's Seven Mysteries, and Dorami-chan: Hello, Dynosis Kids!!. Other credited roles from the list include Misuzu in Lady Lady!!, Benio Hanamura in Smart-san, Misha Potapych in Koguma no Misha, Uzura Yudeta in Oyoneko Boonyan, Mami Sakura in ESPer Mami: Hoshizora no Dancing Doll, Maria in Sue Cat, Lian in Legend of Lemnear, Lala in Shin Don Chuck Monogatari, the Princess in Maegami-Taro, and Doremi in Dorami-chan: Mini-Dora SOS.

In 2005, following the complete renewal of the voice cast for the Doraemon anime, Yokozawa stepped back from regular voice acting work to focus on running her agency and training school. She has since made occasional appearances, such as providing the narration for an episode of the anime Nichijou in 2011. Her legacy as the original voice of Dorami and her contributions to numerous classic anime of the 20th century have cemented her status as a significant figure in the industry.