Rosenfeld is best known for voicing Bonnie, Nurse Joy, Sophocles (and many others) on Pokémon, as well as Rio Kastle, Riley, Grace and Gloria Tyler (and many others) on Yu-Gi-Oh!, Aina Ardebit in the anime film Promare, Polly Pocket in Polly Pocket, Fraw Bow and LunaMaria Hawke in the Gundam anime universe, and many other notable roles.