Reginald Brothers, former undersecretary at the Department of Homeland Security‘s science and technology directorate, has joined security advisory services firm Chertoff Group

Kevin Stenstrom and Donnelle Moten have joined ARServices as director of business development and operations director for business transformation services,

Christine Couch, formerly director of operations at CSRA (NYSE: CSRA), has joined MetroStar Systems as senior vice president for the defense and

L3 Technologies (NYSE: LLL) has announced an initiative to split the New York City-based defense contractor’s electronic systems segment into two new

Kevin Scott, senior vice president of infrastructure at business social networking company LinkedIn, has been named chief technology officer at

Jeh Johnson, former secretary of the Department of Homeland Security, has returned to Paul, Weiss, Rifkind, Wharton & Garrison LLP

Terry Crimmins,  formerly vice president and deputy general manager of the electronic systems sector at BAE Systems˜ U.S. subsidiary, has been

  Mark Monroe, former vice president of finance and corporate controller at Deltek, has joined Arlington, Virginia-based contractor PAE as corporate controller.

Nelson Ford, president and CEO of LMI over the past eight years, has informed the Virginia-based nonprofit government consulting firm’s board

Brian Stites, formerly chief architect and senior manager of defense and commercial cyber resiliency strategy at Raytheon (NYSE: RTN), has