David Koch took over the family business and now serves as co-owner of Koch Industries with his brother Charles. Koch Industries is now America’s second largest privately-held company. Koch is the second-richest New Yorker and has contributed widely to causes including Lincoln Center, Sloan Kettering and the American Museum of Natural History and the New …

Michael Bloomberg has held the post of mayor since 2002. With a net worth of more than $18 billion, Bloomberg clocks in at the 13th richest person in the United States. Bloomberg also founded financial news source Bloomberg LP, of which he owns 85 percent. Bloomberg is also active in philanthropy, having recently donated $50 …

Larger than life personality Donald Trump is chairman and president of The Trump Organization and founder of Trump Entertainment Resorts. Trump began his career at his father’s company, originally called Elizabeth Trump & Son. When Trump took over, he renamed it The Trump Organization. Trump’s projects included the upscale Commodore Hotel, the Grand Hyatt and …

Real estate scion Jared Kushner purchased the New York Observer at the age of 25 for $10 million, moving the paper towards a tabloid direction. Kushner has been credited with expanding the Observer Media Group and increasing the Observer’s online presence. Kushner is also principal of the family company, Kushner Companies. But Ivanka Trump is …

It is through Goldman’s real estate endeavors that SoHo came to be the active, trendy neighborhood that it is today. From his post as chairman and CEO of Goldman Properties, Goldman opened the doors to the Greene Street Café and the Soho Kitchen and Bar. Since his New York beginnings, he has moved on to …