Mattis is a contender for Trump's pick to be secretary of defense. — -- When Gen. James Mattis retired from the Marine Corps in 2013 after a 41-year career, he planned a cross-country route ...

Mattis and now retired U.S. Army General David Petraeus taught me that the leader who allows divergent thinkers in the room gets you to a breakthrough strategy and the right big ideas.

Retired Marine Corps Gen. James Mattis, President-elect Donald Trump’s nominee for secretary of defense, has a four-year-long connection with Theranos Inc., the embattled blood-testing startup.

At a rally in Cincinnati on Thursday night, President-elect Donald Trump said he would select retired Marine Corps Gen. James Mattis to lead the Defense Department, filling a key role in the ...

In a sign that Donald Trump was zeroing in on his choice for defense secretary Saturday, a senior transition team official told Fox News the retired Marine Gen. James Mattis was a "very strong ...

Who Is Gen. James Mattis? 10 Things to Know About Trump's Pick for Secretary of Defense. "We are going to appoint Mad Dog Mattis as our Secretary of Defense," the president-elect said at a "thank ...

Retired U.S. Marine Corps General James “Mad Dog” Mattis is President Donald Trump‘s Secretary of Defense. Mattis, who has only been retired for three years, was also floated as a possible ...

We spoke with a number of people who served with Mattis to understand what the former four-star general is really like when he's in charge. Business Insider Subscribe Newsletters ...

The Obama administration’s new strategy for combating the Islamic State militant group terrorizing Iraq and Syria should not limit discussion of putting U.S. boots on the ground, and doesn’t ...

Retired Marine Gen. James Mattis addressed his “Mad Dog” nickname at his Senate confirmation hearing for defense secretary on Thursday. “That nickname was given to me by the press, and some ...

The emergence of retired Marine Corps Gen. James Mattis as the leading candidate to head President-elect Donald Trump's Defense Department could create a "complex chemistry" between the Pentagon ...

Gen. James Mattis, known to his troops as “Mad Dog” because of his badass combat reputation, recently finished a celebrated 41-year career and is a legend in the Marine Corps.