John Tiersma has been involved in education for over 15 years, primarily as a classroom teacher in grades 6 to 8. He has also been a middle school interim principal, an instructional designer for higher education, and an adjunct professor of educational technology. Currently, he is teaching sixth grade in the Cardiff School District in San Diego. John has a passion for students and has spent his career pursuing a classroom environment where students are able to flourish. His goal is to use his connection with students to help them feel safe, valuable, and ready to learn.