He was his wife's principal adviser and her support at the worst moments of crisis.
She is the principal adviser to the House on parliamentary procedures and practices.
By law, the chairman is the principal military adviser to the president and the secretary of defense.
He is the principal military adviser to the President.
At the same time we spoke to the director and the principal adviser.
The director's visit took place in July 1983 and the principal adviser was also present.
At this meeting the director, the principal adviser, the head and forty-three of the staff were present.
He or she is the principal procedural adviser and senior officer of the House.
He was the President's principal military adviser but a holdover from the last administration.
I used some other advice as well, but he was my principal adviser in this.