I've not been good at keeping slides and papers from conference talks that I've done online, so this is incomplete, and mostly links to files hosted by others.
DebConf 2, Toronto, Canada
- "debconf at DebConf: debconf overview, tutorial, and best practices"
DebConf 5, Helsinki, Finland
"Some bits about the Debian Installer"
"Securing the Testing Distribution"
- paper svn://svn.debian.org/svn/secure-testing/doc/talks/debconf5/testing-security.paper
- slides svn://svn.debian.org/svn/secure-testing/doc/talks/debconf5/ts_debconf5.tex
- video (100+ mb)
DebConf 6, Oaxtepec, Mexico
- "Lightning Talks" (organiser)
FSG Packaging Summit, Berlin, Germany
DebConf 9, Cáceres, Spain
DebConf 10, New York City
DebConf 12, Managua, Nicaragua
Linux.Conf.AU 2013, Canberra
- video: ogg