Jeremy Crawford is the lead rules developer and managing editor of Dungeons & Dragons at Wizards of the Coast. He was the co-lead designer of fifth edition D&D, the lead designer of the Player’s Handbook, and one of the leads on the Dungeon Master’s Guide. He also gives official answers to D&D rules questions on Twitter (@JeremyECrawford) and in the Sage Advice column on the D&D website.
Since coming to Wizards of the Coast in 2007, he has worked on numerous books for D&D, including the fourth edition Player’s Handbook, Player’s Handbook 2, and Rules Compendium. Before that, he wrote for the roleplaying games Blue Rose, Warhammer Fantasy Roleplay, and Mutants & Masterminds. He lives in Seattle.
Paul Peterson started his career as a game designer in the card mines of Wizards of the Coast in 1994. There he worked on almost a dozen collectible card games including Magic: the Gathering, Pokemon, and Harry Potter. It is also where his first card game, Guillotine was published. Since then he has bounced back and forth between the worlds of electronic and tabletop gaming, and his credits include games for PC, mobile, and Facebook as well as numerous card and board games such as Smash Up, Unexploded Cow, and as one of the designers for the Pathfinder Adventure Card Game.