“Twitter and Scholarly Communication”. First Science of Science meeting in the Chicago area. Northwestern University, Chicago, USA, December 2016.

“Why We Need to Think about New Metrics for Research Evaluation in the Age of Social Media?” ALA Annual meeting, Orlando, USA, June 2016.

“Altmetrics for Academic Librarians”. Internet Librarian International. London, UK. Oct 2014.

“Research Trends in Altmetrics”. National Information Standards Organization. USA, Jun 2014.

“Social Media and Scholarly Communication”. Cyberpsychology Research Conference. University of Wolverhampton. UK, May 2014.

“Web2.0 and Its Applications in Library Services”. Iranian Medical Library and Information Science Association. Tehran, Iran, Jan 2010.

“New Trends in Information Searching”. 22^nd Tehran International Book Fair. Iran, May 2010.

“An Introduction to Information Literacy”. 21^st Tehran International book fair. Iran, May 2008.

“Librarianship in the New Century”. Shahid Beheshti University. Tehran, Iran, Mar 2007.

“Invisible Web and Information Searching”. Department of Library and Information Science, Isfahan University. Iran, Mar 2004.