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Authors & Presenters

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  1. Kwame Stephens

    Kwame Stephens

    Kwame Stephens has over 20 years’ experience in education, having served as a teacher, high school principal, and consultant. In his current role, Kwame develops and facilitates professional learning opportunities in the areas of school improvement and leadership development.

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  2. Mandy Stalets

    Mandy Stalets


    Mandy Stalets is a teacher and learner who is passionate about sound assessment and grading practices, as well as standards-based learning. Along with her consulting work, she is currently a high school mathematics teacher at Illinois State University’s laboratory schools.

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  3. Brian M. Stack

    Brian M. Stack

    Assessment Competency-Based Learning Leadership Professional Learning Communities

    Brian M. Stack, MEd, is the principal of Sanborn Regional High School in Kingston, New Hampshire. For the past decade, he has also been a member of the research, design, and implementation team for the school district’s nationally recognized K–12 competency-based system.

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  4. Jeanne Spiller

    Jeanne Spiller

    Assessment Leadership Response to Intervention

    Jeanne Spiller is assistant superintendent for teaching and learning for Kildeer Countryside District 96 in Illinois. Her work focuses on implementation of the Common Core State Standards.

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  5. Darwin Prater Spiller

    Darwin Prater Spiller

    Dr. Darwin Prater Spiller is executive director of the Lake Highlands Learning Community, composed of more than 11,000 preK–12 students. He has served as classroom teacher, assistant principal, principal, and school support officer.

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  6. John Spencer

    John Spencer

    Instruction Student Engagement

    John Spencer is an assistant professor of educational technology at George Fox University. Previously, he spent twelve years as a middle school teacher at the Cartwright Elementary School District in Phoenix, Arizona.

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  7. Jennifer L. Sparrow

    Jennifer L. Sparrow


    Jennifer L. Sparrow is deputy superintendent of Singapore American School. She spent 13 years as a middle school teacher and 11 years as a schoolwide administrator.

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  8. Susan K. Sparks

    Susan K. Sparks


    Susan K. Sparks has served as a teacher, staff developer, and executive director. Her areas of expertise include consensus building, decision making, contract negotiations, conflict resolution, strategic planning, and professional learning communities.

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  9. David A. Sousa

    David A. Sousa

    Brain-Compatible Learning Instruction

    David A. Sousa, EdD, is an author and international consultant. He has received numerous awards from professional associations, school districts, and educational foundations for his commitment to research, staff development, and science education.

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  10. Bob Sonju

    Bob Sonju

    Response to Intervention

    Bob Sonju is an award-winning educational leader, author, and educational consultant, recognized for his energetic commitment to building effective teams, developing RTI structures that support teachers and students, and creating an effective school culture committed to learning for all students.

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