Alexandra is a mathematics teacher and actually, she is a professor in the Faculty of Science and Technology of Universidade NOVA de Lisboa, in Caparica. She teaches preservice math teachers, at the secondary level. For the past few years, she was the pedagogical coordinator of a VET school (Instituto de Gouveia – Escola Profissional) and was responsible for defining the curriculum plans of VET courses. She also was a deputy director in a public school (Agrupamento de Escolas de Trancoso). From an early age, in her professional career, she was linked to vocational education, knowing this education system, both in terms of young people and adults. Academically, she has a degree in Mathematics (educational branch), from the University of Coimbra, completed a Master's Degree in Mathematics Teaching, in 2007, and a PhD in Mathematics Didactics, in 2015, at the University of Beira Interior. She has a postgraduate degree in Innovation and Creativity-The ICT (Instituto Superior de Ciências Educativas-2006) and another in Administration and School Organization (Escola Superior de Educação de Fafe-2019). She received her Ph.D. in Education Sciences, focusing on mathematics education in VET schools, in 2015. Her thesis was a comparative study on the teaching of mathematics in 4 Portuguese VET schools. Since then, she has contributed to knowledge with several research works in the area. She also belongs to the team that designed the new mathematics programs (a total of 4, because the team believes that mathematics is for all) for secondary school students, approved in January 2023, and is currently working to facilitate the implementation Since 2007 she has integrated project research teams focused on mathematics learning, curricular innovation, success in school mathematics, and historical studies. She was a member of the monitoring team of the project “Learn and teach mathematics with Khan Academy” (2019-2021). In the last years, she has developed research focused on the autonomy of school mathematics, on teacher education in the VET education system, and on the history of mathematics education and she wrote some chapters of research books on these issues. She has been a member of the scientific committee of several seminars and congress and a member of the selection jury for a research grant. She has published papers in several peer-reviewed journals and congress proceedings, also she has reviewed several papers. As a mathematics educator, her primary concern is to ensure the effectiveness of mathematical learning. She is a researcher at the CICS.NOVA Research Center, which develops research in the area of Social Sciences with an emphasis on Mathematics Education. She also belongs to the Research Group on the History and Memories of Math Teaching of the APM (Association of Mathematics Teachers).