The Americans want Pakistan to use its unique influence with the Taliban to secure his extradition.

CNN: Is This Man Starting to Enjoy Power?

Mr Kadyrov was more credible than average: his background as mufti, his time with the rebels and his experience as administrator gave him a unique mixture of levers of influence.

ECONOMIST: Russia and Chechnya

O'Connor's unique personality slowed the decline in influence of New York's Catholics.

ECONOMIST: New York��s Catholics

In bringing together women across multiple spheres of influence and each with unique points of view, this Summit is uniquely positioned to generate innovative thinking and actionable solutions in ways that have thus far remained untapped.

FORBES: Power Redefined: Announcing The Forbes Women's Summit

The new ranking takes a unique look at a controversial issue: whether having external, visible influence and thought leadership is a necessity for CMO success.

FORBES: Apple's Philip Schiller Tops List As Most Influential CMO

"As a longtime member of the vocal quartet the Jordanaires, he helped to influence the sound of gospel, country and pop music with a unique and versatile style while recording with an impressive roster of artists, " said the Recording Academy in a statement.

CNN: SHARE THIS

The influence of the professionally run charitable foundations may also be a deciding factor in making Investor unique, for the foundations are ultimately the biggest winners or losers from the decisions of Investor's managers.

ECONOMIST: The Wallenbergs