Erin Patrice O'Brien is a photographer who is based in New York City. She grew up in Media, Pennsylvania. After graduating from Drexel University in 1992 with a degree in fashion design, she decided to pursue photography. In the past ten years she has shot for numerous magazines including Newsweek, Entertainment Weekly, and the New York Times Magazine and worked on advertisements for clients such as Comedy Central, XBOX 360 and USAA. She has plenty of funny stories about celebrities and even better ones about real people. The book, Mamás Adolescentes : NYC 2006-2007, is a photography project in which Erin documented the lives of 5 Mexican- American teenaged pregnant girls over the course of their pregnancies and during the first years of their babies' lives. All of the girls were patients from Adolescent OB/Gyn Clinic at Bellevue Hospital in New York City.