People

Gerry Varty has served as a classroom teacher, principal, director of curriculum and instruction, assistant superintendent (learning and system improvement), and executive director of professional development.

Kathy Tuchman Glass is an accomplished author, consultant, and former classroom teacher with more than twenty-five years of experience in education.

Robert J. Marzano, PhD, is cofounder and chief academic officer of Marzano Resources in Denver, Colorado. A leading researcher in education, he is a speaker, trainer, and author of more than 50 books and 200 articles.

Tammy Heflebower, EdD, is a highly sought-after school leader and presenter with vast experience in urban, rural, and suburban districts throughout the United States, Australia, Canada, Denmark, Great Britain, and the Netherlands.

Tina H. Boogren, PhD, is a fierce advocate for educators, particularly for their well-being. She is the author of numerous best-selling books centered around her passion areas of quality instruction, coaching, mentoring, and wellness and is codirector of Solution Tree’s Wellness Solutions for Educators with Dr. Timothy D. Kanold. She also hosts a weekly podcast,Self-Care for Educators with Dr. Tina H. Boogren, and has been recognized as one of the Top 30 Global Gurus in Education.

Mike Ruyle, EdD, has served as a classroom teacher, athletic coach, school principal, program director, university professor, and professional development presenter over a 30-year career.

Dr. Nathan D. Lang-Raad is an educator, international speaker, and author. He has served as a teacher, principal, professor, director of curriculum and instruction, chief education officer, and vice president, and he has worked full-time at NASA. As of 2022, he has written and cowritten seven books.

Philip B. Warrick, EdD, is an author and presenter and has worked globally in the areas of school leadership, instruction, collaborative practices, and grading.

Jan K. Hoegh has been an educator for over 35 years. She has served as a classroom teacher, building leader, professional development specialist, high school assistant principal, curriculum coordinator, and assistant director of statewide assessment.

Bev Clemens, PhD, is an experienced educational leader who has worked in large suburban districts and in smaller urban districts with diverse student populations. In addition to her work with Marzano Resources, Dr. Clemens has worked with a small nonprofit organization focused on developing leadership skills in school leaders who are working to transform schools to meet the needs of all students.