Guizzo currently works on the following topics: intellectual communities in economics and the sociology of the economics discipline, educational policy and economics education, the history of policy-making and economic expertise, and diversity and decolonisation in economics.
She is a co-founder and steering group member of D-Econ (Diversifying and Decolonising Economics), and an affiliate researcher at Autonomy. She currently serves as a Management Committee member at the Association for Heterodox Economics (AHE) and as an editorial board member of the Journal of Economic Issues (JEI).