Authors & Presenters

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.

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.

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.

Joseph Ianora, principal on special assignment at Campbell Union High School District, has been an educational leader for more than 35 years, guiding schools by fostering learning communities for students, staff and parents. He has been lucky enough to hold almost every position within a school site, from custodian up to principal and everything in between. He has worked with inner city schools and suburban districts, and he has K–16 experience with an emphasis on high school.

David Jones has more than 25 years of experience in education as a superintendent, principal, assistant principal, and teacher. He supports schools throughout the country with the professional learning community and response to intervention school improvement processes.

Diane Kerr is an educational consultant and former assistant principal at Mason Crest Elementary School in Fairfax County Public Schools (FCPS), Virginia. During her tenure as a coprincipal at Mason Crest, the school earned the distinction of becoming the very first recipient of the coveted DuFour Award, which recognizes top-performing PLCs around the world.

As an author and a leader in the field, Sharon V. Kramer, PhD, emphasizes the importance of creating and using quality assessments as a continual part of the learning process. Dr. Kramer served as assistant superintendent for curriculum and instruction of Kildeer Countryside School District 96 in Illinois.

Greg Kushnir is an educational leader and presenter with over three decades of dedicated service in public education, specializing in oral language, reading, and writing disabilities. He is committed to enhancing educational outcomes for all students.

Education specialist Kristi S. Langley most recently served as a district-level director of professional learning communities and a director of data and assessment. She has repeatedly facilitated successful schoolwide implementation of the professional learning communities process for more than 25 years.