Kirsten Widmer taught 6th and 7th grades in New York City public schools where she served as teacher leader. After leaving the classroom, she was a staff developer at a K-8 school in the Bronx before working for the Teachers College Reading and Writing Project as a staff developer in middle and high schools throughout the New York metropolitan area for several years. She is the recipient of a Spencer Grant for writing and her first book, Workshops that Work! was published by Scholastic in 2004. Kirsten works with upper elementary, middle and high school teachers.