Michael Peter Jackson (born April 28, 1954)[1] was the George W. Bush administration's Deputy Secretary of the Department of Homeland Security, beginning in March 2005 and ending with his resignation in October 2007.

Before returning to DOT in 2001, Jackson worked in the private sector as Chief Operating Officer at Lockheed Martin IMS's Transportation Systems and Services.

After leaving government service, Jackson became a founder and the president of Firebreak Partners, LLC, a firm which was created to "design, integrate and lease core security technology systems needed to protect commercial aviation, maritime freight transportation and other critical infrastructure.

[citation needed] Jackson was confirmed by the United States Senate to serve as Deputy Secretary of the Department of Homeland Security on March 10, 2005.

His tenure was particularly focused on DOT's response to the terrorist attacks, including standing up the new Transportation Security Administration and management of recovery efforts for the nation's aviation industry.