Born and raised on the lower East Side of Manhattan, Greenfield-Sanders has worked for Anthology Film Archives, Fine Line Features, Perfect Day Films, and Maysles Films. She graduated with honors from the Art-Semiotics department at Brown University. Before attending NYU Tisch Graduate film school, her first film "Ghosts of Grey Gardens" premiered at the Tribeca Film Festival in 2005, has screened at the Museum of Modern Art, and made its television debut on PBS in June, 2006. Her film “Anna” recently won first prize in the LMN TV Student Filmmaker Contest, screened at the 2007 Hamptons International Film Festival and made its television debut on Lifetime Television in December 2007. She just finished production on a new film “Adelaide,” starring Anna Margaret Hollyman, Hank Harris (Pumpkin), Damian Young (Californication), and Christine Nielson (The Savages).