David Ballard
From The Stargate Omnipedia
Chairman of the Stark Consortium. Ballard had dealings with Alex Jameson, former CFO of Farrow-Marshall, following Jameson's takeover by a Goa'uld symbiote. It is possible that Ballard was taken as a host as well.
KEY EPISODE
Ex Deus Machina - Dr. Jackson shows General Landry pictures of Alex Jameson's recent activities, including a photograph of David Ballard.