Gabrielle received her PhD in Mathematics from Johns Hopkins University. She has worked as an adjunct instructor in mathematics and as a writer and consultant. Projects have included developing elementary hands-on science curricula, developing science content for a radio show airing on National Public Radio, and reviewing the mathematics content delivery system for Shepherdstown University. In 2009 she coauthored a report for the Abell Foundation about the relationship between high school mathematics curricula and college expectations in Maryland. Her paper entitled Notes on Providing a Formal Definition of Equivalence is forthcoming in a special issue of the Journal of Anthropological Theory.