Zathyn Priest has attended the following ...
GRL Chicago, Illinois, USA in October 2014
GRL San Diego, California, USA in October 2015
Unfortunately, he won't be attending GRL 2016
Video footage of Zathyn Priest taken during a Questions & Answer Author Panel, at GRL in San Diego, USA, 2015. (Taken on a phone, hence the poor quality)
Also on the same panel were fellow MM Authors, Devon Rhodes and B.g Thomas. Questions were asked by members of the audience.
GRL San Diego 2015