Authors & Presenters

Robert J. Marzano, PhD, is cofounder and chief academic officer of Marzano Resources in Denver, Colorado. A leading researcher in education, he is a speaker, trainer, and author of more than 50 books and 200 articles.

Ken Mattingly is a retired classroom teacher with 27 years of experience. He has implemented classroom assessment for student learning for the past 15 years.

Jeanetta Jones Miller has been an educator since 1986. Throughout her award-winning career, she has taught American studies, senior projects, and a variety of English courses, and served as department chair.

Jadi Miller, EdD, is director of assessment for Elkhorn Public Schools in Elkhorn, Nebraska. She has experience as a teacher and an administrator at the elementary, secondary, and district levels.

LeAnn Nickelsen, an author and a former teacher, is an expert on brain research strategies, best practices in literacy, and other high-impact tools that close and prevent gaps in high-poverty schools.

Maria Nielsen, educational speaker and author, specializes in supporting teachers and administrators in the areas of PLCs, RTI, school culture, curriculum design, the highly engaged classroom, and assessment systems. Her life’s work is to help schools build successful systems to ensure high levels of student learning.

Susannah O’Bara is area superintendent for the Denton Independent School District in Texas. She has been an elementary school administrator for more than 15 years.

Ken O’Connor is an independent consultant specializing in grading and reporting. He has been a staff-development presenter and facilitator in 47 US states, nine provinces and one territory in Canada, and in 25 countries outside North America.

Mark Onuscheck is director of curriculum, instruction, and assessment at Adlai E. Stevenson High School in Illinois. He is a former English teacher and director of communication arts.

Gib Ostheimer is a high school principal in Wyoming and a former elementary school principal. He has worked with schools on topics including assessment architecture, instructional agility, and school improvement and culture.