Frequent speaker on the No Fluff Just Stuff symposium series, speaking on Tapestry, HiveMind, Clojure, Cappuccino, TestNG and EasyMock , as well as participating in the Expert Group discussions and the Web Application Birds Of A Feather.
Other notable speaking engagements:
| Jun 2011 | Open Source Bridge 2011 | Portland, OR |
| May 2011 | What's Next? Paris | Paris, France |
| Sep 2010 | JavaOne 2010 | San Francisco, CA |
| Jul 2010 | OSCON 2010 | Portland, OR |
| Apr 2010 | SkillsMatter | London, England |
| Feb 2010 | Zenika | Paris, France |
| Jan 2010 | CodeMash 2010 | Sandusky, OH |
| Nov 2009 | Devoxx 2009 | Antwerp, Belgium |
| Nov 2009 | ApacheCon 2009 | Oakland, CA |
| Jul 2009 | OSCON 2009 | San Jose, CA |
| Jun 2009 | Open Source Bridge | Portland, OR |
| Jun 2009 | JavaOne 2009 | San Francisco, CA |
| May 2009 | Portland Code Camp | Portland, OR |
| Mar 2009 | The Server Side Symposium | Las Vegas, NV |
| Jan 2009 | Portland JUG | Portland, OR |
| Sep 2008 | JavaZone 2008 | Oslo, Norway |
| Jul 2007 | OSCON 2007 | Portland, OR |
| May 2007 | JavaOne 2007 | San Francisco, CA |
| Mar 2007 | Emerging Technologies for the Enterprise | Philadelphia, PA |
| Oct 2006 | The Ajax Experience | Boston, MA |
| Oct 2006 | ApacheCon 2006 | Austin, TX |
| Jul 2006 | OSCON 2006 | Portland, OR |
| May 2006 | JavaOne 2006 | San Francisco, CA |
| Aug 2005 | OSCON 2005 | Portland, OR |
| Jun 2005 | JavaOne 2005 | San Francisco, CA |
| Apr 2005 | Orlando JUG | Orlando, FL |
| Mar 2005 | TheServerSide Symposium 2005 | Las Vegas, NV |
| Feb 2005 | Utah Java User's Group | Salt Lake City, UT |
| Dec 2004 | Javapolis 2004 | Antwerp, Belgium |
| Nov 2004 | ApacheCon 2004 | Las Vegas, NV |
| Aug 2004 | Atlanta JUG | Atlanta, GA |
| Jun 2004 | New England Java User's Group | Burlington, MA |
| May 2004 | TheServerSide Symposium 2004 | Las Vegas, NV |
| Nov 2003 | ApacheCon 2003 | Las Vegas, NV |