Chris was an aerospace engineer with Bell Helicopter before becoming a teacher. He taught 10 years as a physics teacher at L.D. Bell High School in Hurst, TX, where he was teacher of the year, and 10 more as Lead AP Physics Teacher for Dallas ISD, where he was the recipient of the O’Donnell Texas AP Teacher Award. Before joining Haltom High School, Chris was as a Regional Director at the National Math and Science Initiative. Chris is the author of two McGraw Hill books: "5 Steps to a 5 - AP Physics 2" and “500 AP Physics 2 Questions to know by test day”.