Chris Luzniak is currently a math teacher and department chair at The Archer School for Girls in Los Angeles. His 15+ years of teaching mathematics began in New York City public schools, where he also founded and coached the Speech and Debate team. Through this combination of teaching and coaching, Chris has worked to develop debate routines that bring student voice and discussion into the math classroom. He coaches teachers in both math and science to develop real-world debate activities for students. Some of his work can be seen at luzniak.com, and is currently published by Stenhouse Publishers.