Michelle Obama for one - easy.
Or Arianna Huffington - love or hate her politics, she continues to bring together liberal thinkers from all over the world and gives them a huge platform for discussion.
How about Sonia Gandhi - the leader of India's National Congress Party who may change the dynamics of the U.S./India relationship.
And Chelsea Handler - comedian, talk show host, author - she pushes the envelope so far it's not even an envelope anymore.
Or Sheila Bair - she's in charge of this little thing called the FDIC - the whole face of U.S. Finance is changing, she's at the helm.
And Dr. Julie Gerberding who runs the CDC - let's face it, we're only going to have more disease outbreaks and scares.
The list goes on and on...check it and tell us who else...