Born in New York City, Nicole Graniero began her early ballet training in Westchester County. She later trained with Francois Perron, Marina Stavitskaya and Deborah Winget at Studio Maestro. In January 2004, Graniero continued her training with John Meehan at the Studio Company Associate Program, presently known at the Jacqueline Kennedy Onassis School at American Ballet Theatre. She attended summer programs at Ballet Regent, the Chautauqua Festival Dancers, Stiefel and Students, and five years at American Ballet Theatre's Summer Intensives.
Graniero has performed the Don Quixote and Flames of Paris pas de deux, Giselle in Giselle and many roles in The Nutcracker.
Graniero joined the Studio Company in 2004, the main company as an apprentice in 2006 and the corps de ballet in March 2007.
Her repertory with the Company includes Amour in Don Quixote, the Canteen Keeper and one of the Nutcracker's Sisters in Alexei Ratmansky's The Nutcracker, a leading role in Some Assembly Required, a little swan in Swan Lake, and roles in Bach Partita, Ballo della Regina, Black Tuesday, Company B, Continuo, Drink to Me Only With thine Eyes, From Here On Out and In the Upper Room, as well as roles in all of the full-length ballets. She created a role in Everything Doesn't Happen at Once.