Barb PitchfordBarb Pitchford: Barb's passion and expertise is strengthening building leadership around high impact collaborative practices that focus on developing student and teacher efficacy and agency. With a deep background in the Visible Learning research, Bab partners with schools to operationalize the research around collective teacher efficacy. Barb is the co-author of the best-selling, first edition of, 'Leading Impact Teams: Building a Culture of Efficacy and Agency' and the co-author of 'Peer Power: Activate and Assessment Revolution'. Read More Read Less