Karen Junker is a mathematics teacher with 10 years of experience in middle school and 10 years in high school, including one year of substituting. She is a published author with broad expertise in using restorative practices to build classroom community, manage classroom behavior and deliver academic curriculum.

Ms. Junker served as Restorative Practices Coordinator for a large urban middle school, where, working with the school's leaders, she produced noteworthy results in terms of discipline reduction, suspension diversion and school-wide academic achievement.