Authors & Presenters

Paul Goldberg, EdD, is superintendent at East Prairie School District in Skokie, IL. He has led diverse, low-income schools to high levels of success.

Dr. Corey Green began his tenure as superintendent of the Owego Apalachin Central School District in 2016. Before joining the team at Owego Apalachin, Dr. Green served as assistant superintendent at the Sidney Central School District for five years.

Brian Greeney, EdD, serves as the chief of school in a public school district in Texas. His focus is on helping secondary schools use the PLC process to grow their student and teacher efficacy.

Mike Hagadone, MEd, served as the assistant superintendent of White River School District in Washington State until his retirement in 2020. With 40 years of experience, he is a former teacher, assistant principal, principal, and director of secondary education.

John Hannigan, EdD, is an author and speaker who has served in education for over 20 years as a teacher, instructional coach, principal, and county office leadership coach. His expertise includes RTI at Work™, PLC at Work®, MTSS, PBIS, restorative practices, social-emotional learning, and more.

Jessica Djabrayan Hannigan, EdD, works with US schools and districts to design and implement effective social-emotional and behavioral systems. Her expertise includes RTI, PLCs, MTSS, PBIS, restorative practices, social-emotional learning, and more.

Aaron Hansen is an expert in Professional Learning Communities (PLC), Response to Intervention (RTI) and student empowerment. He is a highly sought-after international speaker, strategic consultant, coach, and author.

Chris Hansen has been a teacher, principal, and a director of technology and learning in his more than 30 years of education and international experience. Currently, he works as a Solution Tree associate throughout the United States, where his passion is implementing and refining professional learning communities.

Sascha Heckmann is the director of the American International School of Mozambique. Previously, he served as the high school principal at Shanghai American School, as well as a principal and vice-principal at several districts in California.

Jacqueline Heller focuses on building capacity and collective efficacy with teachers, to ensure all students learn at high levels. As a literacy teacher and coach at Mason Crest Elementary, she helped the school become the first National Model Professional Learning Community to receive the DuFour Award.