Robert Guarino was born and raised in Flushing, New York. He received a B.A. from Queens College, CUNY, and a teaching credential from Chapman University. He has taught high school in California since 1991. At various points in his career he has taught Science, Math, Art, Social Studies, English, and Journalism. He currently teaches English and Advanced Placement English Language and Composition at Arroyo High School in San Lorenzo, California. Prior to teaching he worked as a mental health professional.