Authors & Presenters

Ryan Siegle, EdD, serves as a classroom teacher for Independent School District 318 in Minnesota. He is passionate about transforming school and classroom cultures and supporting both the whole child and the whole teacher.

Shawn Slakk, Chief Learning Officer for ABCDS&S Consulting, works with teachers, administrators, schools, and state agencies to offer strategies and support for multilingual learners and their classmates, in grades K–12 and adults.

Perry Soldwedel is a coach and consultant to district leaders. He specializes in systems thinking, shared leadership, strategic planning, data collection, measurement, and professional learning communities.

Tim Solley is an experienced leadership coach for the Alabama Department of Education’s Office of School Improvement. With more than 35 years of service in public education, he was previously a classroom teacher, K–12 school administrator, and assistant superintendent.

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.

Brian M. Stack, CAGS, is a former New Hampshire high school principal who spent 16 years at a Model PLC at Work® school engaged in nationally recognized K–12 competency-based learning. He is the director of innovative projects for the New Hampshire Learning Initiative and specializes in supporting teachers and administrators in schools and districts across the country.

James H. Stronge, PhD, is a consultant specializing in policies and practices related to teacher quality and effectiveness, teacher and administrator evaluation, and teacher selection.

Marcia L. Tate, EdD, is the former executive director of professional development for the DeKalb County School System in Decatur, Georgia. During her thirty-year career with the district, she has been a classroom teacher, reading specialist, language arts coordinator, and staff development executive director.

Rusty Taylor has been a professional educator since 1997, serving as a science teacher, middle school assistant principal, and principal at both the middle and high school levels.

Matt Thede is an assistant principal at Mount Vernon High School in Iowa. He has led curricular improvements and professional development initiatives in the areas of standards-based grading, unit design, instruction, and assessment.