Angela Estrella Stanford Graduate School of Education, Overfelt High School Angela Estrella is a Professional Development Associate and Instructional History Coach for the Hollyhock Fellowship Program at the Center to Support Excellence in Teaching, and also helps lead the TELOS initiative (Technology for Equity in Learning Opportunities). In addition to her work at Stanford, Angela works part-time as a professional development facilitator for Overfelt High School in San Jose and is a Teacher in Residence for Imagine K12, an incubator for educational technology startups. Prior to joining CSET, Angela taught history for 9 years and served as an educational technology mentor and instructional coach.