Matthew Colville is the founder and Head of Writing and Design of MCDM Productions, which previously provided new mechanics, classes, monsters and minis for D&D 5e but is now working on their own RPG, called Draw Steel. He was also the Dungeon Master for a D&D webseries produced by MCDM called The Chain of Acheron.

He's also known for his Running the Game videos, providing tips for GMs and his thoughts about TTRPG.

Prior to creating MCDM, Matthew Colville had worked as a writer on various TTRPGs, such as Dune (2000), The Lord of the Rings (2005), Star Trek (2002) and Liber Bestarius: The Book of Beasts (2002).

Olivia Samson is a Faroese freelance illustrator, comic-book artist, and character designer who previously worked for Dark Horse on the Critical Role comic Vox Machina Origins. She primarily has an interest in lore-heavy stories with otherworldly settings, like sci-fi or fantasy, whatever the medium. She also has an amateur interest in linguistics and programming. You can follow her on Twitter @fireStash.