Authors & Presenters

John F. Eller, PhD, has served as director of a doctoral program at St. Cloud State University. He is a former principal, director of a principal’s training center, and assistant superintendent.

Cassandra Erkens is a presenter, facilitator, coach, trainer of trainers, keynote speaker, author, and above all, a teacher. She presents nationally and internationally on assessment, instruction, school improvement, and professional learning communities.

Chris Jakicic, EdD, an author and a consultant, was principal of Woodlawn Middle School in Illinois from 1999 to 2007. She began her career teaching middle school science.

Dr. Kramer earned a doctorate in educational leadership and policy studies from Loyola University Chicago.

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. She has done priority schools work with schools across the nation utilizing the PLC continuous improvement model to raise student achievement levels in under-performing schools and districts

Eric Twadell, PhD, is superintendent of Adlai E. Stevenson High School in Lincolnshire, Illinois. He has been a social studies teacher, curriculum director, and assistant superintendent for leadership and organizational development.