Nana Mizuki (水樹 奈々 Mizuki Nana) , born January 21, 1980) is a Japanese voice actress and singer represented by the agency Sigma Seven. She was born and raised in Niihama, Ehime, Japan. Mizuki was trained as an enka singer, and made her debut as a voice actress in 1998. Her prominent roles include Hinata Hyūga in the long-running ninja series Naruto, Fate Testarossa in Magical Girl Lyrical Nanoha, Tsubasa Kazanari in Symphogear, Moka Akashiya in Rosario + Vampire and Cure Blossom in Heartcatch Precure!.
Nana Mizuki's official site (Japanese)
Nana Mizuki at Anime News Network's Encyclopedia