Kathleen Herles is an American former child voice actress, best known for being the original voice of Dora on Dora the Explorer for the first four seasons from 2000–2007 and Go, Diego, Go! Herles was born in the Queens borough of New York City. Her parents are from Lima, Peru. She has studied ballet, tap, jazz, drama, and voice. She takes piano lessons. She was discovered by talent manager Shirley Grant of Shirley Grant Management at a talent and modeling convention when she was 4 years old. She graduated from Pace University in 2012. She is a 2008 graduate of Deer Park High School, where she appeared in school productions of The Wiz and Footloose. In 2007-2008, Herles was asked to stop doing the voice for Dora The Explorer by Nickelodeon and was replaced by Caitlin Sanchez. Herles' final time providing the voice of Dora the Explorer, along with the original cast of Go, Diego, Go! (like Jake T. Austin), was in the feature-length TV special, Diego's Great Polar Bear Rescue, which aired on September 18, 2009.