Naropa University & Jack Kerouac School of Disembodied Poetics 2016 Symposium "How to Grieve and Dream at the Same Time," 2016

3rd International Restorative Justice Symposium, Brazil, 2012

Restorative Justice Innovations Lab, Suffolk University, 2010

Changing the World by Changing Ourselves Dialogue Series @ MWCC, February-May 2009                               

Beyond Community Policing: Including, Bridging, Building Innovative Communities of Practice, Pegasus Communications Annual Conference, Seattle, WA 2007

Partnering to Create Tomorrow’s Leaders, Pegasus Communications, Boston, MA 2006

Guest Lecturer, Gordon Institute of Business Science, Johannesburg, S.A., 2004

Building Social Capital Through Peacemaking Circles, World Bank Institute, 2004

Keynote, Simmons College Colors of Leadership Conference, 2004

Four-Day Peacemaking Circle Training, W. K. Kellogg Foundation, St. Paul, MN, 2003                                             

Guest Lecturer, Consulate of the Republic of El Salvador, San Salvador, 2003

Living Together Well: A Foundation for Changing the World, Pegasus Communications Annual Conference, Boston, MA 2003