Authors & Presenters

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.

Allana Hemenway, EdD, is the director of federal programs and grants at Randolph Field ISD. She has over 20 years of experience in education in both the U.S. and in Canada, and she has worked in large and small districts as well as at campuses with high student/school mobility.

Mary Hendricks-Harris is a highly experienced education professional with over 30 years in the field. Formerly the superintendent of the Francis Howell School District (FHSD) in Missouri, she currently serves as a leadership and improvement specialist at Education Plus in the St. Louis region. In her current role, she facilitates strategic planning and executive coaching, contributing to the advancement of educational leadership.

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.

Karin K. Hess, EdD, the creator of the Hess Cognitive Rigor Matrices, is an internationally recognized speaker and leader in developing practical approaches for using cognitive rigor and learning progressions in assessments. Since 1998, Karin has been working in schools as an elementary and middle school principal, district curriculum director, and classroom teacher.

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.

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.