Sant Singh Chatwal

Charles King is the president of Housing Works, a non-profit that supports homeless and HIV-positive New Yorkers. The group operates seven thrift shops citywide and a used bookstore in SoHo.

Jennifer Baum

One of the best known classical musicians in the world, Itzhak Perlman is a world-class violin player and conductor.

Susan Baker is the chair of the New York City Opera.

A former record exec, Gelb runs the Metropolitan Opera, which he took over in 2006 following the departure of Joe Volpe.

Steven Rubenstein

The president, Chief Operating Officer, and Co-Chairman of Atlantic Records, Greenwald is one of the few women in the top ranks of the music business.

The youngest son of smoked fish proprietor Louis Zabar, Eli owns the eight specialty food shops throughout Manhattan and the Hamptons known as Zabar's. Eli's two older brothers, Saul and Stanley, continue to operate their father's store across Central Park from Eli's East Side territory.

A protégé of George Soros, Stan Druckenmiller heads Duquesne Capital Management, a hedge fund with more than $8 billion under management.

A one-time chairman of Goldman Sachs, Friedman now serves as chairman of the private equity firm Stone Point Capital. He remains on the board of Goldman.

Nadine Johnson

Dart heads the PR firm 42 West (formerly called the Dart Group) and reps some of the biggest names in the film business including Meryl Streep and Woody Allen.

The founder and chairman of the PR firm Dan Klores Communications, Klores is primarily focused on his filmmaking career these days.

One of the most powerful publicists in town, Magrino heads up the PR agency that bears her name. She's best known for serving as Martha Stewart's pal and longtime mouthpiece.

Sean Cassidy is the CEO of Dan Klores Communications, the New York PR firm founded by Dan Klores. Cassidy runs DKC's day-to-day affairs with Klores off focusing on his film career.

Long one of the most powerful figures in philanthropy, Berresford served as head of the Ford Foundation from 1996 to 2007. She was replaced by Luis A. Ubiñas.

Susan Blond

Polisi has led the Julliard School, the nation's most prestigious music academy, for more than two decades.

Dalio is the founder of Bridgewater Associates, a money management firm with approximately $170 billion in assets. The firm runs the second-largest hedge fund in the world, the $45 billion Pure Alpha fund.