• ASRS Annual Meeting Discussion of my book The Lost Meaning of the Seventh Day (11/2010)
  • Andrews University Annual Visiting Scholars Symposium ''The Cosmic Conflict in Revelation'' (02/2011)


  • Loma Linda University Sabbath School  Revelation and Human Reality - a verse by verse discussion of the Book of Revelation (03/2009 - 06/2011)
  • Walla Walla Forum   Four Presentations on the Lost Meaning of the Sabbath (05/2011)


  • SBL Annual Meeting Ecological Hermeneutics Group  ''Nature Groaning in Labor Pains'' (11/2006)
  • SBL Annual Meeting Revelation Group ''Blood as High as the Bridles of the Horses'' (11/2006)
  • SBL Annual Meeting, November 2008  Role and Voice of the Earth in Revelation (11/2008)