Eric Twadell, PhD, has served as a social studies teacher, curriculum director, Assistant Superintendent for Leadership and Organizational Development, and currently as Superintendent of Adlai E. Stevenson High School in Lincolnshire, Illinois.

Stevenson High School has been described by the United States Department of Education (USDE) as “the most recognized and celebrated school in America” and is one of only three schools to win the USDE Blue Ribbon Award on four occasions. Stevenson was one of the first comprehensive schools designated a New American High School by USDE as a model of successful school reform. In the popular press Stevenson High School has been repeatedly cited as one of America’s top high schools and the “birthplace” of Professional Learning Communities at WorkTM. 

Dr. Twadell has written multiple professional articles and is the co-author of Proficiency Based Instruction: Rethinking Lesson Design and Delivery, Proficiency Based Grading in the Content Areas, Pathways to Proficiency: Implementing Evidence Based Grading; Proficiency Based Assessment: Process, Not Product, and Leading By Design: An Action Framework for PLC at Work Leaders, and a contributing author to The Collaborative Administrator: Working Together as a Professional Learning Community and The Collaborative Teacher: Working Together as Professional Learning Community. As a dedicated PLC practioner Dr. Twadell has worked state departments of education and local schools and districts nationwide to advance the successful implementation of the PLC model and achieve school improvement and reform. 

In addition to his teaching and leadership roles Dr. Twadell has been involved in coaching numerous athletic teams, and facilitating outdoor education and adventure travel programs. Dr. Twadell is a member of many professional organizations including Learning Forward and ASCD, and he earned a masters degree in Curriculum and Instruction and a doctorate in Educational Leadership and Policies Studies from Loyola University Chicago.

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