Dionne Aminata has served over 20 years in education as a teacher, instructional coach, math content specialist, curriculum writer, and curriculum implementation specialist, and has taught at the elementary, middle school, undergraduate, and graduate levels.

As a Lead Author at Illustrative Mathematics (IM), Dionne led the work of embedding curricular supports for culturally responsive teachers. She successfully supported LAUSD’s IM K–5 Math pilot in 2020–21, and now serves as IM’s Senior Director, Strategic Initiatives. In her current position she oversees research and outreach efforts to IM's community of users, and supports math leaders nation-wide to successfully implement IM K–12 Math.

In 2020, she launched MathTrust, a consulting firm dedicated to supporting educators to seek the brilliance of Black students and trust all students to do the math. In 2022, she became a Math Advisor to the Council of Chief State School Officers (CCSSO) Math Collaborative, a network of state math leaders dedicated to affecting change in systems and policies in order to promote mathematics as a subject for all students.

Dionne earned her undergraduate degree in Sociology and Business from UCLA, her MBA in Entrepreneurship and Marketing from Babson College, and her Masters in Math Education from CUNY Brooklyn College.