[3] From 1988 to 1995 she worked as a researcher at the University of Los Andes,[4] working in mathematics education and authoring textbooks on mathematics and statistics for applications including engineering and social sciences.
[3] In 1996, she began graduate study in mathematics education at the University of Georgia, where she earned her master's degree in 1996 and completed her Ph.D. in 2000.
[4] Her dissertation, Conceptions of Function Promoted by Seventh- and Eighth-Grade Textbooks from Eighteen Countries, was jointly advised by Jeremy Kilpatrick and Edward Arthur Azoff.
[5] After postdoctoral research at the University of Michigan, she stayed on at the University of Michigan as a coordinator for the master's program in curriculum development and as an instructional consultant until she was hired in 2005 as an assistant professor of mathematics education in the School of Education.
She was tenured in 2014 and added a joint appointment in the university's mathematics department in 2015.