+
+\item {[Lecture]} “The Growth and Decline of Digital Knowledge Commons.” HCI Lunch Seminar Series, Department of Computer Science and Engineering, Stanford University, Palo Alto, California, April 10, 2019.
+\item {[Lecture and Discussion]} “Democratizing Data Science.” Seminar Series, Department of Communication, University of California at Davis, Davis, California, February 22, 2019.
+\item {[Lecture]} “The Growth and Decline of Digital Knowledge Commons.” Seminar Series, Department of Communication, University of California at Davis, Davis, California, February 21, 2019.
+\item {[Lecture and Q\&A]} “The Growth and Decline of Digital Knowledge Commons.” Fellow Presentation, Center for Advanced Studies in the Behavioral Sciences, Stanford University, Palo Alto, Califorina, January 30, 2019.
+\item {[Lecture]} “Democratizing Data Science.” Information Technology Outlook Seminar, Department of Informatics, Universitá degli Studi di Bari Aldo Moro, Bari, Italy, November 20, 2018.
+\item {[Respondant]} Respondant for Charlton McIlwain's “Controlling the Means of Disruption.” The Shifting Landscape of Public Communication Conference, University of Washington, October 26, 2018.
+ \item {[Lecture and Q\&A]} ``Whither Peer Production?'' Digital Commons Research Group, Internet Interdisciplinary Institute (IN3), Open University of Catalonia (UOC), Barcelona, Catalonia, Spain, June 4, 2018.