Stone Librande, a Senior Designer in the R&D group at Riot Games, has worked in the video game industry for 25 years on games such as SimCity, Spore, and Diablo 3. In addition to his full-time job designing video games, he also teaches game design courses at Carnegie Mellon University’s ETC program and runs design seminars around the world.

An avid board game inventor, Stone has published two games: "Mechs vs. Minions" and "Alakazam! The Game of Dueling Wizards".