SpoCon 2018 August 12th panel 6: Bill Dietz, Harlan Haskell III, Hawke Robinson.
More details:https://sites.grenadine.co/sites/spocon/en/spocon2018/schedule/1564/How+to+Write+a+Game+Module
All panels & interviews: http://www.rpgresearch.com/news/rpg-research-staff-panels-schedule-at-spocon-aug-10-12-2018