Professional Development The following WestEd groups work with any of the following to improve their practice: child care and other teaching professionals, school and community-based administrators, and professional developers. Programs Leadership Initiative (formerly CSLA) Center for Prevention & Early Intervention Science, Technology, Engineering, & Mathematics (STEM) Learning Innovations Professional and Organizational Learning Center for Child & Family Studies Projects Video Cases for Mathematics Professional Development English Language and Literacy Acceleration (ELLA) Local Accountability Professional Development Series Early Start Institutes Program for Infant/Toddler Care (PITC) Training Institutes Strategic Literacy Initiative