Mike worked as a freelance designer for a number of well-known companies before being hired by Wizards of the Coast in 2005. He is one of the principle authors of D&D 4th Edition.
as listed in: Dragon Magazine Annual
Mike Mearls is the lead designer for the Dungeons & Dragons roleplaying game. His recent credits include Keep of the Shadowfell and Player's Handbook 2
A microbadge is available: