Published worldwide, she has to her credit over 200 magazine covers, including 15 Time and Newsweek covers. She is the author or co-author of 13 books of babies. Her website, babystock.com was one of the first single-photographer photo licensing websites on the internet, recognized in several publications including PDN (Photo District News), How Magazine, and Shutterbug. Her work has been the subject of American Photographer, Photo Insider, and PDN feature articles. Gentieu studied at the Toledo Museum of Art School of Design and received a BFA in Photography from Eastern Michigan University. Her website is gentieu.com.