Jef Aldrich is a professional podcaster from San Diego. Along with Jon Taylor, he has been building a podcast brand outside of the big network channels. Jef started entertaining people as a Sea World tour guide and eventually just started being funny for a living on his own.

Jef is co-author to Düngeonmeister. He is also a co-creator and co-host of the System Mastery podcast with Jon where they review and comment on odd classic RPGs, poking fun at obscure stories and systems while taking the game for a spin.

Jon Taylor is also a professional podcaster from San Diego. He has a degree in English Literature from UC Santa Cruz. He spent several years as a stand-up comic on the East Coast before moving back to Southern California. Jon is co-author to Düngeonmeister.

Jon is also a co-creator and co-host of the System Mastery podcast with Jef Aldrich where they review and comment on odd classic RPGs, poking fun at obscure stories and systems while taking the game for a spin.