I was born and raised in Melbourne, Australia.
I was educated (BSc and PhD) at Monash University, Melbourne.
I worked for many years in the Department of Mathematics, La Trobe University, Melbourne.
After Rutgers I went to the College of Education at Washington State University, where I was Boeing Distinguished Professor of Mathematics Education.
I was recruited to the University of Massachusetts Dartmouth by the late James Kaput, and came into the University as a tenured Full Professor in the Department of Mathematics which, in 2004, was one of the leading centers worldwide for mathematics education.
I am both a United States and Australian citizen