![David Altman David Altman](https://herder.com.mx/sites/default/files/styles/writer/public/uploads/writer_images/davidaltman.jpg?itok=HUPIItJ0)
David Altman. Doctor (PhD) in Political Science, University of Notre Dame, USA. He is Professor of Political Science at the Pontifical Catholic University of Chile.
His research and teaching are in the field of comparative politics, with an emphasis on democracy: its quality, its institutions, and its innovations. He focuses particularly on the mechanisms of direct democracy and his current research studies the political consequences of citizen participation through popular initiatives and referendums.