Becky was born on March 6, 1984 in Kanagawa Prefecture. She is 157cm in height and she has black hair and hazel eyes.
She debuted as a regular on the popular children's show Oha-Suta in 1999 reading out the English names of various Pokémon characters in a section of the show called "Pokémon: The World."
From October 2004 to September 2006, she was a regular host of Pokémon Sunday but was replaced by Shōko Nakagawa when Pokémon Sunday expanded to an hour show in October 2006.