2021 Plenary Sessions and Presenters Thursday Plenary From Practice to Theory: Listening to and Learning with Black Mathematics Teachers Toya FrankGeorge Mason University Friday Plenary Productive Provocations Sam ProughUniversity of Delaware Caro Williams-PierceUniversity of Maryland Rachel TremaineColorado State University Crystal Kalinec-CraigUniversity of Texas -SA Samuel OttenUniversity of Missouri Carlos Nicolas Gomez MarchantUniversity of Texas Stacy R. JonesUniversity of Texas Saturday Plenary Critical Race Theory and Mathematics Education Cathery YehChapman University Robert BerryUniversity of Virginia Maria ZavalaSan Francisco State University Christopher JettUniversity of West Georgia