Its chairman and CEO, Harry Sloan, became a ZeniMax board member a year prior to that. In 2000, SBS Broadcasting acquired a 12.5% stake as part of the partnership between the two companies. Weaver filed a lawsuit against ZeniMax in 2002 for breach of contract, claiming he was owed US$1.2 million in severance pay.

Weaver served initially as chief technology officer of the company from 1999 to 2002, then moved to a non-operational role in 2002. Weaver brought Altman on board as CEO, contributing his stock in Bethesda Softworks so that the new shell company, named ZeniMax Media, would be able to obtain funding. It was established as a successor to Media Technology Limited, Bethesda's parent company at the time. The name is a portmanteau of 'zenith' and 'maximum'. ZeniMax was founded in 1999 by Bethesda Softworks founder Christopher Weaver and Robert A. History ZeniMax's old logo 1999–2007: Early history, SBS investment, Providence investment ZeniMax Media was acquired by Microsoft in March 2021 and became part of Xbox Game Studios.

The company owns publisher Bethesda Softworks with its development unit Bethesda Game Studios (developer of The Elder Scrolls, Fallout, and Starfield), as well as developers id Software ( Doom, Quake, and Rage series), Arkane Studios ( Dishonored, Prey, and Redfall), MachineGames ( Wolfenstein series), Tango Gameworks ( The Evil Within, Ghostwire: Tokyo, and Hi-Fi Rush), and ZeniMax Online Studios ( The Elder Scrolls Online). is an American video game holding company based in Rockville, Maryland, and founded in 1999.

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