Starr Sackstein is an assessment reform advocate & consultant dedicated to transforming how we do teaching and learning. As COO of Mastery Portfolio, she champions competency-based learning, taking the emphasis off grades & focusing on metacognition & feedback throughout the formative assessment process. Starr brings deep expertise to her work, having been in education for 25 years. She partners with schools and districts to empower teachers, engage students, and leverage data for personalized growth. A prolific author, blogger, and speaker, Starr is committed to reshaping assessment practices globally.