GameStop's CEO stepping down after 3 months in the role

One of GameStop Corp.’s co-founders is once again at the company’s helm as CEO Mike Mauler steps down “for personal reasons.”The Grapevine-based retailer announced Friday the resignation of Mauler, effective immediately. He took GameStop’s (NYSE: GME) top role just three months ago, in February.Daniel DeMatteo will step into the interim CEO role and keep his positions as executive chairman and director with the company’s board. DeMatteo has served as CEO and i