Authors & Presenters

Sal Herrera is the principal at Robertson Continuation High School in Fremont, California. He specializes in coaching collaborative teams, designing an effective multitiered system of supports (MTSS), and building a culture of collective responsibility.

Russell Hill is superintendent of the East Valley School District. With more than 20 years of education experience, he has served as both teacher and administrator at the elementary, middle, and high school levels.

Adam R. Hill is an assistant superintendent overseeing 13 middle schools in a large metropolitan school district in Georgia.

Jason Hillman is principal of Parkside Elementary School in Wyoming. He is an expert in school culture, school improvement, and professional learning community practices, and he has spent more than 20 years as an educational leader.

Yodit Hizekiel is the elementary deputy principal at the International Community School of Addis Ababa, a Model PLC at Work® school. She is passionate about promoting student success through equipping teachers to implement the PLC process.

Jayne Holck has more than three decades of educational experience, including 20 years as a building principal. She has a passion for school improvement and facilitating data-driven processes that result in high levels of learning.

Jen Hollis Smith has over a decade of teaching experience in the Wisconsin Public School system. She is currently a math instructional coach and math interventionist in the Hortonville Area School District.

Justin Holmquest is the principal of New Prairie Middle School (NPMS) in New Carlisle, Indiana. NPMS gained recognition as a Model PLC at Work® school for its success in improving student achievement and commitment to the PLC at Work process.

Daniel is a practitioner and district leader who has provided pivotal support in transforming Pasadena ISD in Pasadena, Texas, into the largest Model PLC School District in America. He currently serves as an executive director of curriculum.

David Hoss is elementary principal of Singapore American School. He has built a powerful professional learning community in his school that focuses on the success of all students.