The document discusses best practices for engaging subject matter experts (SMEs) during a learning content development project. It finds that communicating expectations clearly is the most important objective and the area L&D professionals are most effective at. However, ensuring SME commitment to the project is another critical objective that fewer L&D professionals are effective at. Maintaining regular communication with SMEs is the most important practice for engagement. Involving SMEs throughout the entire content development process is associated with greater effectiveness in engaging them.