-\item 2012-07-17. Status, Social Signalling and Collective Action in a
- Peer Production Community. Regular Session on Group
- Processes. American Sociological Association Annual Meeting, Denver,
- Colorado.
-\item 2012-08-13. Almost Wikipedia: What eight early online
- collaborative encyclopedia projects reveal about the mechanisms of
- collective action. Microsoft Research, Cambridge, Massachusetts.
-\item 2012-07-14. Almost Wikipedia: What eight early online
- collaborative encyclopedia projects reveal about the mechanisms of
- collective action. Wikimania 2012, George Washington University,
- Washington, DC.
-\item 2012-07-12. Can can social awards create better wikis? Wikimania
- 2012, George Washington University, Washington, DC.
-\item 2012-06-29. When peer production works: Learning from failures, to
- improve collaboration. Wikipedia Academy. Freie Universität Berlin ,
- Germany. (\emph{Keynote address})
-\item 2012-04-24. Is volunteer labor a ``fixed and finite'' resource?
- Evidence from peer production. MIT Economic Sociology Working Group.
-\item 2011-11-02. Almost Wikipedia: What eight early online
- collaborative encyclopedia projects reveal about the mechanisms of
- collective action. Wikimedia Foundation, San Francisco, California.
-\item 2011-10-29. Almost Wikipedia: What eight early online
- collaborative encyclopedia projects reveal about the mechanisms of
- collective action. Conference on Digital Commons, Barcelona, Spain.
-\item 2011-10-28. Status, Social Signalling and Collective Action in a
- Peer Production Community. With Aaron Shaw. Laboratory for Social
- Research Seminar, University of California Berkeley.
-\item 2011-10-11. Almost Wikipedia: What eight early online collaborative
- encyclopedia projects reveal about the mechanisms of collective
- action. Luncheon Series, Berkman Center for Internet and Society,
- Harvard University.
-\item 2011-07-01. Using Social Awards To Build Better Free Software \&
- Free Culture Projects. With Aaron Shaw. Fórum Internacional
- Software Livre, Porto Alegre, Brasil.
-\item 2010-11-17. Almost Wikipedia: What eight early online
- collaborative encyclopedia projects reveal about the mechanisms of
- collecdtive action. MIT Economic Sociology Working Group. % hidden
-\item 2010-08-02. ``What the community is remixing:'' The effect of a
- new status-based incentive to collaborate in an online collaborative
- community. MIT Open and User Innovation Workshop.
-\item 2010-06-10. Reviewing and challenging socio-political
- approaches in the analysis of open collaboration and collective
- action online. With Mayo Fuster Morell. WikiSym 2010. Gdansk,
- Poland.
-\item 2010-06-09. ``What the community is remixing:'' The effect of a
- new status-based incentive to collaborate in an online collaborative
- community. MIT Economic Sociology Working Group. % hidden
-\item 2010-04-26. Two empirical analyses of cooperation in
- Scratch. With Andrés Monroy Hernández. Harvard Cooperation Group,
- Berkman Center for Internet and Society.
-\item 2009-11-20. The State of FLOSS Research. University of
- Massachusetts Department of Computer Science in Amherst,
- Massachusetts.
-\item 2008-10-21. Revealing Errors. Harvard-MIT-Yale Cyberscholar
- Working Group. Harvard University.
-\item 2008-04-07. Renaissance Panel: The Roles of Creative Synthesis
- in Innovation. CHI 2008 in Florence, Italy.
-\item 2007-11-15. Reflections on Decoding Liberation. Book Launch
- Event for \emph{Decoding Liberation} at Brooklyn College. % hidden
-\item 2008-01-22. Clouding Computing and Free and Open Source
- Software. Computing in the Cloud Workshop at the Center for
- Information Technology Policy at Princeton University.
-\item 2007-04-27. Reflections on the War on Share. With Elizabeth
- Stark. Media in Transition 5 Conference at MIT.
-\item 2007-06-27. Parallel Document Development. User Innovation
- Conference at Copenhagen Business School.
-\item 2006-06-02. Defining Moments, Conference on Engaging in Open
- Source (CEOS) organized by the ACM Chapter at Dalhousie University
- in Halifax, Nova Scotia. % hidden
+\item \emph{Laboratories of oligarchy? How the iron law extends to peer production}:
+\item 2013-05-08. MIT Economic Sociology Working Group.
+\item 2013-04-16. Harvard Cooperation Group, Berkman Center, Harvard.
+\item 2013-04-11. Center for Information Technology Policy, Princeton.
+\item 2013-03-13. Online Collective Action Working Group, ECPR, Mainz, Germany.
+\end{cvlist}
+
+\begin{cvlist}
+\item \emph{Status, Social Signalling and Collective Action in a Peer Production Community}:
+\item 2012-08-17. American Sociological Association Annual Meeting, Denver, CO.
+\item 2011-10-28. Laboratory for Social Research Seminar, UC Berkeley.
+\item 2011-06-05. Open and User Innovation Workshop, Vienna, Austria.
+\item 2011-05-18. MIT Economic Sociology Working Group.
+\end{cvlist}
+
+\begin{cvlist}
+\item \emph{Almost Wikipedia}:
+\item 2012-08-13. Microsoft Research, Cambridge, MA.
+\item 2012-07-14. Wikimania 2012, George Washington University, DC.
+\item 2011-11-02. Wikimedia Foundation, San Francisco, California.
+\item 2011-12-29. Conference on Digital Commons, Barcelona, Spain.
+\item 2011-10-11. Luncheon Series, Berkman Center, Harvard University.
+\item 2011-05-20. MIT Center for Collective Intelligence.
+\item 2010-11-22. Technological Innovation, Entrepreneurship, and Strategy Seminar, MIT Sloan.
+\item 2010-11-17. MIT Economic Sociology Working Group.
+\end{cvlist}
+
+\begin{cvlist}
+\item \emph{Is volunteer labor a ``fixed and finite'' resource? Evidence
+ from peer production}:
+\item 2012-04-24. MIT Economic Sociology Working Group.
+\end{cvlist}
+
+\begin{cvlist}
+\item \emph{Causal Effects of a Reputation-Based Incentive in an Peer Production Community}:
+\item 2010-10-02. Open and User Innovation Workshop. MIT, Cambridge, MA.
+\item 2010-06-09. MIT Economic Sociology Working Group, MIT.
+\item 2010-04-26. Harvard Cooperation Group, Berkman Center, Harvard.
+\end{cvlist}
+
+\begin{cvlist}
+\item \emph{Revealing Errors}:
+\item 2009-03-24. Yale Law School in New Haven, Connecticut.
+\item 2008-10-21. Harvard-MIT-Yale Cyberscholar Working Group, Harvard.
+\end{cvlist}
+
+\subsection{Invited Presentations and Panels}
+
+\begin{cvlist}
+
+\item 2013-04-10. Failures of Collective Action. School of Cognitive Science, Hampshire College. [Talk]
+
+\item 2012-10-26. Failures of Collective Action. Department of Communication, University of Washington. [Talk]
+
+\item 2012-06-29. When peer production works: Learning from failures, to improve collaboration. Wikipedia Academy 2012, Freie Universität, Berlin. [Keynote]
+
+\item 2012-07-12. Can can social awards create better wikis? Wikimania 2012, George Washington University, Washington, DC. [Talk]
+
+\item 2011-07-01. Using Social Awards To Build Better Free Software \& Culture Projects. With Aaron Shaw. Fórum Internacional Software Livre, Porto Alegre, Brasil. [Talk]
+
+\item 2010-06-10. Reviewing and challenging socio-political approaches in the analysis of open collaboration and collective action online. With Mayo Fuster Morell. WikiSym. Gdansk, Poland. [Panel]
+
+\item 2009-11-20. The State of FLOSS Research. University of Massachusetts Department of Computer Science, Amherst, MA. [Talk]
+
+\item 2008-04-07. Renaissance Panel: The Roles of Creative Synthesis in Innovation. CHI 2008, Florence, Italy. [Panel]
+
+\item 2008-01-22. Clouding Computing and Free and Open Source Software. Computing in the Cloud Workshop, Center for Information Technology Policy, Princeton. [Panel]
+
+\item 2007-11-15. Reflections on Decoding Liberation. Book Launch, Brooklyn College. [Talk]
+
+\item 2007-06-27. Parallel Document Development. User Innovation Conference, Copenhagen Business School. [Talk]
+
+\item 2007-04-27. Reflections on the War on Share. With Elizabeth Stark. Media in Transition 5, MIT. [Talk]
+
+\item 2006-06-02. Defining Moments, Conference on Engaging in Open Source (CEOS), Dalhousie University, Halifax, Nova Scotia. [Keynote]