Joanna directs CEL's leading for teacher learning, teacher learning, and coach learning lines of service. She has worked with systems of all sizes across the country in the development of professional learning for teachers as an important lever in the creation of schools that serve all students well. She is co-author of Leading for Professional Learning: What Successful Principals do to Support Teaching Practice. Prior to work at CEL, Joanna was a middle school teacher and school and district based coach. She holds a PhD in Educational Leadership and Policy Studies with a focus on coach learning and development.

Dr. Stacy Thomas is the executive director of teaching and learning for Blaine School District, and prior to that served as a building-level administrator and elementary teacher. In 2015, she completed a doctorate in education and Washington State Superintendent Certificate through the University of Washington Leadership for Learning program. Stacy is passionate about creating powerful learning opportunities for all students through ongoing improvement of instruction and leadership. She is most interested in getting smarter about how leaders at the central office level develop and support the instructional leadership of principals and teacher leaders.