Ann Brashares was born and raised in the Washington, D.C. area with her three brothers. She attended the Sidwell Friends School and then studied philosophy at Barnard College, part of Columbia University in New York City.

After college she worked in editorial jobs until 2000, when she began her first novel, The Sisterhood of the Traveling Pants, published in 2001. Over the next five years she wrote three sequels-The Second Summer of the Sisterhood, Girls in Pants, and Forever in Blue.  The Sisterhood of the Traveling Pants was made into a feature film and released by Warner Brothers in 2005. In June 2010 she will release her new novel, My Name is Memory.