Collective efficacy — the belief that a group has the power to achieve its goals — is important for leadership teams’ success. As described in a previous column in this series, one of the key ways to develop collective efficacy is to build on team members’ strengths (Spiro & Fisher, 2024). Existing strengths provide a solid foundation — and foundations are meant to be built on. In this article, we focus on how teams can leverage professional learning to build up from their foundations and boost collective efficacy. Identify skills needed to achieve the team’s goal. While some leadership teams start with all of the skills and competencies needed to achieve goals, many do not. Members can fill the gaps with professional learning. That process