He usually acted as an influential adviser to civil-rights leaders.

Those who have held it have ranged from being very influential advisers to people little known outside the Adminstration.

Valerie Jarrett is one of the president s most influential advisers.

One of the Senator's most experienced and influential advisers, his father carries no formal title in the campaign structure but a good deal of weight.

He was an influential adviser, causing William to accept only Whigs in his government.

"He might prove very, very lucky, at least for a while," an influential adviser to the party said this week.

Mrs. Carter "was perhaps the most influential adviser to a President.

Up until now, he had been seen as one of the president's closest and most influential advisers.

During that time, he became one of the president's most prominent and influential advisers.

His careful listening has made him the most influential adviser to her campaign.