Lianne Marie Dobbs is a New York City based voice actress for various Pokemon media, making her franchise debut in Season 16 (BW Rival Destinies) of Pokémon the Series. She sometimes is credited as simply "Lianne Dobbs" or "Lianna Dobbs". For voiceover, she is represented by CESD Talent.
Her official website is:
https://www.liannemariedobbs.com/