Craig S. has taught high school mathematics in California and Colorado and currently works as a district-level mathematics specialist supporting preK–12 educators through PLCs and individual coaching. In addition to being a Certified Facilitator, Craig works with Illustrative Mathematics as a designer of professional learning focused on Mathematical Language Routines and a curriculum writer of instructional supports for English language learners. While earning a PhD in Instruction and Curriculum, Craig developed, facilitated and researched professional learning experiences through various university NSF grants and K–12 district partnerships. During his post-doctoral work at the Center of Mathematics Education of Latinos/as, Craig’s commitment to promoting access and equity through mathematical language development flourished and continues to guide his work today.  Outside of his professional work, Craig spends quality time with his family gardening, playing baseball, and beekeeping