Authors & Presenters

Andy Hargreaves, PhD, is the Thomas More Brennan Chair in Education in the Lynch School of Education at Boston College. He has taught primary school and lectured in several English universities, including Oxford.

Dr. Daman Harris is an award-winning education leader focused on equity, instructional leadership, student advancement, and educator development.

Orinthia Harris, PhD, has extensive experience in classroom and extracurricular settings. She is the founder of STEMearly LLC, an organization dedicated to reigniting teaching passions so educators and students can thrive.

Amanda Hathhorn, district math specialist and mentor for the Aspiring Instructional Coaching Academy at Pasadena ISD, has over 20 years of experience in education. Notably, she played a pivotal role in successfully implementing the Professional Learning Communities (PLC) at Work® process and subsequently earning a Model PLC at Work school distinction at V. W. Miller Intermediate.

Peter Hayes is the former director of Solution Tree Australia and the Asia Pacific Region. Previously he was the national director of education for the Australian Council for Education.

Sarah Hays, a seasoned educator with 30 years of experience, currently serves as the PLC Administrative Coach for the Bozeman School District. Sarah served as the principal of Emily Dickinson Elementary School in Bozeman, MT. She has also held various educational roles, including high school assistant principal, district curriculum director, and high school English and math teacher.

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.

Logan Heflebower has been coaching baseball since his collegiate playing career came to a close in 2019. He is the infield coach at Division II, Colorado Christian University, in Lakewood.

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.

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.