Authors & Presenters

During her more than 15 years in education, Tina Smith has proudly served Pasadena Independent School District, a Model PLC at Work® district, as a four-year, district-level summer school program manager while working as assistant principal at Nelda Sullivan Middle School, a Model PLC at Work school.

W. Richard Smith is former deputy superintendent of Sanger Unified School District in California. He has been involved in public education for more than 37 years.

Bob Sonju is an award-winning educational leader, author, and speaker known for his energetic and passionate commitment to making the work of schools and teacher teams simple, doable, and impactful.

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.