Authors & Presenters

Sarah Schuhl specializes in professional learning communities, mathematics, assessment, school improvement, and RTI. She has been a secondary mathematics teacher, high school instructional coach, and K–12 mathematics specialist.

Dr. Spiller is executive director of Title IX Compliance and Investigations, a new division in Richardson ISD that he has been appointed to onboard. Previously he served for eight years as the Lake Highlands Learning Community executive director in Richardson ISD, a district with more than 10,500 preK–12 students. Darwin has served as classroom teacher, assistant principal, principal, and school support officer.

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.

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.

With a career spanning over three decades, Tesha Ferriby Thomas, EdD, is a seasoned educator whose dedication to fostering collaborative learning environments has significantly enhanced educational practices and student outcomes in schools nationwide.

Mona Toncheff, an educational presenter and author, has over 30 years of experience in public education. Mona works with educators and leaders nationwide to build collaborative teams and ensure all students receive high-quality mathematics instruction.

Matthew Treadway, EdD, is the former principal of Freedom Elementary School in Shepherdsville, Kentucky, where he led his staff in developing a collaborative culture centered on the three big ideas of a professional learning community.

Eddie Velez is the principal at Kennedy High School, a PLC Model School in Fremont, California. He specializes in building PLC culture, implementing RTI, and creating equitable opportunities for all students.

Jon Yost is the recently retired associate superintendent of curriculum and instruction for Sanger Unified School District in California. He has worked in public education at the elementary, secondary, and district levels.