Jill Hammer is the director of spiritual education at the Academy for Jewish Religion and a co-founder of the Kohenet Institute, a program in spiritual leadership for Jewish women. She has written four books: Sisters at Sinai: New Tales of Biblical Women, The Jewish Book of Days: A Companion for All Seasons, The Omer Calendar of Biblical Women, and The Hebrew Priestess. Her work has been published in many journals and anthologies, including A Family Treasury of Mitzvah Stories.