Previous retreats (or events) at which John has spoken:

Overeaters Anonymous World Convention: Sept. 1-4, 2016

Wareham, MA:  June 2-4, 2017

San Antonio, TX:  June 9-11, 2017

Portland, OR:  July 14-16, 2017

Santa Cruz, CA:  Aug. 18-20, 2017

A Vision for You Convention, Newark, NJ:  Sept. 15-17, 2017

Ft. Worth: Nov. 17-19, 2017

Bradenton, FL: March 2-4, 2018

Dallas (Convention): April 20-22, 2018 

Edmonton, Alberta: May 3-5, 2019

Chicago, IL: August 9-11, 2019

Jekyll Island, GA: August 23-25, 2019

Madrid, Spain: May 1-3, 2020 (cancelled due to Covid)

Future dates will be announced when Covid is over.

 (*) Does not necessarily indicate membership in whatever organization is sponsoring the retreat.