From Bulbapedia, the community-driven Pokémon encyclopedia.
Kyoko Hikami (Japanese: 氷上恭子 Hikami Kyōko) is a Japanese voice actress for the Pokémon anime. She was born on January 11, 1969 in Kobe, Japan.
Hikami has provided a few voices for Pokémon since the original series. Her most prominent role in the anime is that of Erika, the Gym Leader of the Celadon Gym which reprised in M20.
Voices on Pokémon