solutiontree.com

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.

Justin Baeder is director of The Principal Center, where he helps school and district administrators build capacity for instructional leadership. Driven by the belief that leaders belong in classrooms—where the most important work is being done—he created the 21-Day Instructional Leadership Challenge, which has helped more than 10,000 leaders from 50 countries develop the habit of getting into classrooms and having evidence-based conversations with teachers.

Jason Cianfrance has served as a high school mathematics teacher for more than 20 years. He also has experience teaching a rigorous STEM program, as well as with special education co-teaching.

Reuben J. Gresham, PhD, is a cluster superintendent for school improvement and operations with Gwinnett County Public Schools. He was a national award-winning high school principal, assistant principal, teacher, and coach.

Sandi Novak, a consultant, has more than 30 years of experience in education and has served as an assistant superintendent, principal, and teacher.

Alex Dixon supports children struggling with critical illness and other disabilities through motivational talks she provides across the United States. She shares her personal story of overcoming adversity as well as what she found most supportive and helpful throughout her recovery.

Rebecca Nicolas, EdD, is the principal of Fern Creek High School in Louisville, Kentucky. Her work is focused on the implementation of the PLC process and the integration of collaborative teams.

Nathan Meyer, EdD, is an assistant superintendent for accelerated improvement for Jefferson County Public Schools in Louisville, Kentucky. Previously, he served as principal and assistant principal at the DuFour Award–winning Fern Creek High School.

Jamie Nino is an area superintendent of Sanger Unified School District in California and oversees TK–12 school sites. She specializes in developing leaders at all levels, fostering strong learning cultures, and building fortified PLCs.

Michelle Marrillia, an educator since 1996, has a diverse background as an educator and a passion for training coaches in professional learning communities, developing teacher leaders, implementing response to intervention systems, and creating doable coaching programs.