Diana Vishneva is a Russian ballet dancer who performs as a principal dancer with both the Mariinsky Ballet and the American Ballet Theatre. Vishneva was born in St. Petersburg and was trained at the Vaganova Choreographic Institute. While at the Vaganova school, she scored the highest scores known to the school's history. Upon her graduation in 1995, joined the company of the Mariinsky Theatre. There, in 1996 she was promoted to the level of principal dancer and received the Prix Benois de la Danse. Vishneva first appeared with the American Ballet Theatre during its 2003 spring season. In 2008, Vishneva joined the Honorary Board of Directors of the Russian Children's Welfare Society.