1988 PhD in Mathematics Education, The Hebrew University of Jerusalem, Israel
1995 Professor of Mathematics Education, University of Haifa
2003 - 2007 The first Lappan-Phillips-Fitzgerald Professor of Mathematics Education, Michigan State University, MI, USA
2007 Third recipient of Freudhental Medal, the ICMI award that “recognizes a major cumulative program of research”
2007 - 2009 Chair of Mathematics Education, Institute of Education, University of London, UK
2009 - 2016 Visiting Professor, Institute of Education, University of London, UK
2015 American Educational Research Association (AERA) Fellow
2016 National Academy of Education (NAEd) International Member
2023 American Academy of Arts & Sciences (AAA&S) International Member