Aviva Gelfer-Mundl was born in Fullerton, Southern California, and began her ballet training at age 10. By age 12, she won the Gold Medal at the Youth America Grand Prix, NYC Finals, which allowed her to study, on scholarship, at Canada’s National Ballet School. In 2018, Gelfer-Mundl was the only American to win a Prize at the prestigious Prix de Lausanne competition granting a scholarship to study at the Vaganova Ballet Academy in St. Petersburg, Russia. Later that year, she became the Grand Prize winner in the Music Center Spotlight Awards and was awarded 2nd Prize at the VII Vaganova Prix International Ballet Competition.

In 2020, she joined Boston Ballet II. While a student, she has performed soloist roles at some of the world’s most renowned theaters- David H. Koch Theater, Walt Disney Hall, Mariinsky Theatre, Boston Opera House, and with National Ballet of Canada. In June 2023, Aviva performed in the World Premier of Melissa Barak’s critically acclaimed Memoryhouse. She is elated to have joined Los Angeles Ballet for the company’s 2023-2024 season.