Ms. Vélez is a curriculum developer and professional learning provider for the Full Option Science System Project (FOSS K–8) at the Lawrence Hall of Science. She specializes in English language development and the integration of literacy in science teaching and learning. Ms. Vélez assists in the development and implementation of FOSS instructional materials and creates pedagogical resources that support access and equity. She also leads professional learning experiences for educators, administrators, families, and community members using FOSS instructional materials to develop scientific literacy, teacher capacity, and systemic change in schools and districts across the country and internationally. Before coming to the Lawrence Hall of Science, Ms. Vélez was the instructional leader for a science-centered elementary school in Oakland, California and was a founding-member and teacher in a Spanish dual-immersion program. She has two bachelor’s degrees from the University of California, Berkeley and bi-lingual teaching credentials from California State University, East Bay.