He is reputedly an influential advisor to the Saudi royal family and a billionaire.

Clark remained a respected and influential advisor to various government agencies throughout his tenure at the University.

He was one of President George W. Bush's most influential spiritual advisors.

An influential advisor was Frederick Jackson Turner.

Around 1671, Anne first made the acquaintance of Sarah Jennings, who later became her close friend and one of her most influential advisors.

But the deal's prospects seemed to improve last week when an influential independent corporate-governance advisor, Institutional Shareholder Services, recommended that the merger be approved.

Diefenbaker gave the impression that he regarded his cabinet as a handy political sounding-board rather than as an assembly of senior and influential advisors.

Upon the death of Charles' counselor Chièvres, Gattinara would become the king's most influential advisor.

He later became an influential advisor of the Duke of Bavaria.

In 2004, Cameron Kerry served as an influential advisor in his brother's presidential campaign.