Authors & Presenters

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.

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.

With over 30 years of experience in K–12 education, author and education expert Jeanne Spiller is an associate with Solution Tree, supporting schools and districts through workshops, coaching, and collaborative initiatives to enhance instruction, foster innovation, and promote equity.

Claire Springer is a partner in education specializing in master scheduling at the elementary level, creating school systems to support the professional learning community process, and implementing data protocols to monitor high levels of learning for all. She has 13 years of experience in education, eight of those years in school leadership.

Brian M. Stack is a superintendent of schools in New Hampshire and a former principal who specializes in supporting teachers and administrators in developing, sustaining, and enhancing structures to support all learners.

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.

Cheri Stevenson is the executive director of secondary schools for Washington County School District in Utah. She is passionate about sharing solutions she successfully implemented as a teacher, building administrator, and district director engaged in the PLC process.

Sarah Stobaugh is an educational leader with 17 years of experience in upper elementary/intermediate and secondary-level education. She is passionate about the work of collaborative teams to transform school culture by building teacher capacity and ensuring learning for all students.

Kevin Strahley is the principal of Windsor Central Middle School. He was named the New York State Principal of the Year in 2018 and has more than 30 years experience as a teacher, coach, administrator, and consultant.

Timothy S. Stuart, EdD, is head of school for International Community School of Addis Ababa in Ethiopia. In his previous role as executive director of strategic programs at the Singapore American School, he served as the chief architect for research and development and supported strategic school reform.