Professional positions

1976-1982 Research Scholar, Homi Bhabha Centre for Science Education, TIFR, Mumbai
1982-1984 Visiting Fellow, Homi Bhabha Centre for Science Education, TIFR, Mumbai
1984-1985 Visiting Scholar, Centre for Studies in Science and Maths Education, University of Leeds, UK
1985 Visiting Scholar, Centre for Science and Maths Education, King's College London, UK
1987-1988 Research Associate, Center for Precollege Education, New Jersey Institute of Technology, Newark, NJ, USA
1988-1989 Visiting Scholar, Center for Science and Math Teaching, Tufts University, Medford, MA, USA
1989 Visiting Scientist, Epistemology and Learning Group, Media Research Laboratory, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA
1998 Visiting Scientist, Institute for Math and Science Education, University of Illinois at Chicago, Chicago, Ill., USA
1984-present Academic Staff and Faculty, Homi Bhabha Centre for Science Education, TIFR, Mumbai
Since July 2011 Centre Director, Homi Bhabha Centre for Science Education, TIFR, Mumbai