US/Global 
CANAuthors & Presenters
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John F. EllerJohn 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.
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Cassandra ErkensCassandra 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.
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Chris JakicicChris 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.
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Sharon V. KramerAs 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.
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Eric TwadellEric 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.
