Qa'dah 15, 1431, Oct. 23, 2010, SPA -- U.S. President Barack Obama on Friday announced that he will appoint his now-National Security Council Chief of Staff, Denis McDonough to the position of Assistant to the President and Deputy National Security Advisor. "For years, I have counted on Denis McDonough's expertise and counsel on national security issues. He possesses a remarkable intellect, irrepressible work ethic, and a sense of collegiality that has earned him the respect of his colleagues. I know that Denis will be indispensable to our entire national security team as we continue to protect the American people, and advance American interests and values around the world," Obama said in a statement. McDonough served from September 2009 as Chief of Staff of the National Security Staff. Prior to that job, McDonough served as Deputy National Security Advisor for Strategic Communications. McDonough served as a senior advisor on foreign policy issues on the Presidential Transition Team and on President Obama's 2008 campaign, the White House said in a statement.