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Authors & Presenters

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  1. Troy Gobble

    Assessment Collaborative Professional Learning Communities at Work® RTI at Work™

    Troy Gobble is principal of Adlai E. Stevenson High School in Illinois. He previously served as assistant principal for teaching and learning at Stevenson.

  2. Mark Onuscheck

    Assessment Collaborative Professional Learning Communities at Work® RTI at Work™

    Mark Onuscheck is director of curriculum, instruction, and assessment at Adlai E. Stevenson High School in Illinois. He is a former English teacher and director of communication arts.

  3. Anthony R. Reibel

    Assessment Collaborative Professional Learning Communities at Work® RTI at Work™

    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.

  4. Eric Twadell

    Assessment Collaborative Professional Learning Communities at Work® RTI at Work™

    Eric Twadell, PhD, is superintendent of Adlai E. Stevenson High School in Lincolnshire, Illinois. He has been a social studies teacher, curriculum director, and assistant superintendent for leadership and organizational development.

  5. Jonathan G. Vander Els

    Professional Learning Communities at Work® RTI at Work™

    Jonathan G. Vander Els specializes in supporting teachers and administrators in schools and districts across the country in developing, sustaining, and enhancing structures to support all learners.

  6. Amy Williams

    Professional Learning Communities at Work® RTI at Work™ Yes We Can!

    Dr. Amy Williams is a program manager for California Education Partners. She has 24 years of experience in education as coordinator of inclusive services and supports, K-8 principal, special education program manager, school psychologist, and teacher.

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