Bob Niehaus is chairman of Greenhill Capital Partners, a $1.8 billion private equity fund that focuses on leveraged buyouts. He reports to Robert Greenhill, the chairman of Greenhill & Co.

David Shaw

One of Wall Street's most beloved market gurus, Wien departed Morgan Stanley in 2005 to join Art Samberg's Pequot Capital Management as chief investment strategist.

The long-time chief global strategist for Morgan Stanley, Biggs left the firm in 2003 after three decades. With Madhav Dhar and Cyril Moulle-Berteaux, he's one of the founders of hedge fund Traxis Partners. His niece is Fiona Biggs Drunkenmiller, the wife of Stanley Druckenmiller.

Robbins is a movie star, liberal activist, and self-appointed defender of the American Way. He can often be spotted spouting half-coherent political rants to the nearest camera.

Known in the publishing biz as "Vig the Pig," Vigliano is the controversial literary agent who has repped tabloid fixtures like Jessica Simpson and Michael Jackson.

The former Dawson's Creek star and ex-fiancée of the late Heath Ledger, Williams has managed to transition from teenybopper star to serious film actress.

Buscemi is the ubiquitous, award-winning, bug-eyed actor whom directors love to kill off midway through movies and TV shows.

Sedaris is a comedian, writer, and occasional waitress best known for the Comedy Central show Strangers With Candy and her collaborations with her humorist brother David.

Although she's an accomplished dancer, Broadway actress, and two-time Tony winner, Neuwirth is still best known-much to her chagrin-as the prim Dr. Lilith Sternin from the TV shows Cheers.

Robert Isabell

Gary Shteyngart, a loveable, furry Russian immigrant, is the bestselling novelist and satirist credited with inventing the contemporary Russian-American novel. He is known for his self-deprecating humor and dystopian take on modern society.

A socialite and former contributing editor at Vogue, Sykes wrote the 2004 chick-lit novel Bergdorf Blondes.

John Wren is the hulking, straight-talking CEO of Omnicom, the world's largest advertising holding company. Omnicom controls agencies like BBDO, DDB, and TBWA.

A legendary (and legendarily nutty) art director, George Lois is best known for his series of famous Esquire covers and for conceiving MTV's first marketing campaign.

McCourt is the Pulitzer Prize-winning Irish-American author of Angela's Ashes, a memoir of his horrific childhood. He passed away in 2009.

A popular director of knee-slapping TV commercials, Buckley's a favorite of advertisers and is regularly hired to direct a handful of spots for the annual ad orgy also known as the Super Bowl.

Joshua may be the youngest of the three Foer boys, but he's wasted no time proving himself as irksome and precocious as older brother Jonathan. Joshua's science-related freelance articles have appeared in Slate and The Nation, and in 2011 he published his first book Moonwalking with Einstein: The Art and Science of Remembering Everything.

Monn runs one of the city's leading event planning companies and enjoys the distinction of being one of Anna Wintour's least favorite people in town.

Cornelia Zicu