From the official site:
Since the early '90's, Wendy Kaufman has been renowned as the face and voice of Snapple. In the original ad campaign Wendy, a Snapple employee at the time, would read letters from consumers and answer their strange questions. She continues to narrate the current campaign and spends the rest of her time answering fan mail from her Snapple fans.
Additionally, she has appeared in a few movies and television shows including Vegas Vacation. Wendy currently lives in New York City with her husband. She graduated from Syracuse University in 1980 with a dual degree in Sociology and Film.