Geoffrey Engelstein is a game designer and educator. His designs include the Space Cadets series, The Dragon & Flagon, The Expanse, and Super Skill Pinball. He has published several books on game design, including GameTek: The Math and Science of Gaming, Achievement Relocked and Game Production. He is on the faculty of the NYU Game Center as an adjunct professor for Board Game Design, and has been invited to speak about game design at PAX, GenCon, Metatopia, and the Game Developers Conference.

Isaac Shalev is a game designer, author and educational games consultant. Isaac has designed tabletop titles including Seikatsu, Waddle, and Show & Tile. Isaac runs Sage70, Inc., a data strategy and games-based learning consultancy that serves nonprofit organizations. Isaac lives in Cary, NC with his wife, three children, and a dog.