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Anthony Reibel hails from Adlai E. Stevenson High School in Illinois and is the current assistant principal for teaching and learning. Anthony is also coauthor of several books: Proficiency-Based Assessment, Proficiency-Based Instruction, Proficiency-Based Grading in the Content Areas, and Pathways to Proficiency which explore the relationship between proficiency, pedagogy, and evidence-based grading.

Aaron Hansen is an expert in Professional Learning Communities (PLC), Response to Intervention (RTI) and student empowerment. He is a highly sought-after international speaker, strategic consultant, coach, and author.