Who is Alan Mercier from Night Probe! and what is their importance?

Alan Mercier is the national security advisrr to the new President of the United States. He had been in academia, and he had also served as the director of the World Crisis Projection Commission. Mercier uses his laptop to check his schedule for the day at the White House. As a good friend and confidant to the President, Mercier follows his orders regarding the Canadian situation, even though he doesn't understand the reasons. Mercier is in Canada for the President's speech and interrupts him during the speech.