Cale Birk is a former teacher, school leader and District Head of Innovation from Kamloops, BC. As the Imagineer of the Observable Impact Model and author of “Navigating Leadership Drift”, "PLC 2.0 - Collaborating for Impact in Today's Schools", "The PLC 2.0 Toolkit" and "Changing Change Using Learner-Centered Design", Cale helps districts, schools and industry leaders answer the question "What is our observable impact?", the observable changes in practice that make the difference for all learners. In addition to his work as an author, facilitator and TED Talker on changing the learning experience in schools, he has given keynote addresses and workshops in Canada, the United States, Asia and Australia.  The father of two daughters in the K-12 system, Cale is passionate about helping educators and leaders experience and model the learning experiences we want for our students in their classrooms.