Prof. (Dr.) Vivek Kumar, Professor of Sociology and Former Chairperson, Center for the Study of Social Systems, School of Social Sciences, Jawaharlal Nehru University, New Delhi, India. He was a Visiting Associate Professor at the Department of Sociology, Columbia University, New York, USA in 2012 and a Visiting Faculty at Humboldt University, Berlin, Germany. Prof. Vivek Kumar has delivered the inaugural Ambedkar Memorial Lectures at the University of British Columbia, Simon Frazer University, and York University, all from Canada (2018).