The Richest in Real Estate Top 100
The Basics
Location: New York City | Net Worth: $4.10 B
Location: New York City | Net Worth: $4.10 B

He’s also a philanthropist for Jewish causes. In 2014, he backed a comprehensive poll of anti-Semitism in 102 countries and territories and in 2011, and he helped publish the book “A Convenient Hatred: The History of Anti-Semitism.” Leonard founded the nonprofit Homes For the Homeless, and a $30M donation to NYU in 1988 got the prestigious Stern Business School named after him.