Maria Aparecida Viggiani Bicudo is full professor of Philosophy of Education at the Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Brazil; professor in the Graduate Program in Mathematics Education at the same institution, Research Fellow at the at the University of California, Berkeley, and Invited Professor at the Facoltà di Filosofiadell'Università Lateranense di Roma. Dr. Bicudo is also president of the Society of Qualitative Studies and Research in Brazil. Her main topics of research are mathematics education, phenomenology and philosophy of mathematics education.