Raised in New York and Paris, Robin is a graduate of Bryn Mawr College and the City University of New York School of Law. She was a practicing attorney and legal editor, but she now prefers to write about witches, mice, pigs, bears, and peacocks.

She's a member of the Society of Children's Book Writers and Illustrators, National Writing Project's Writers Council, Bank Street Writers Lab, Read Alliance Advisory Council, and PEN America, CYAB. She lives in New York with her husband, son, and two spoiled dogs.

She is represented by Liza Fleissig at the Liza Royce Agency.