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Leonard Stern's fortune initially came from his father after he inherited a portion of the family business, Hartz Mountain Corporation (HMC), which was founded by his father Max Stern. In 1960, Leonard Stern took absolute control of the company after buying out his sibling's shares of the family business.

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Leonard Stern eventually served as the Chairman and Chief Executive Officer of Hartz Group which is based in New York City. The company is operated and owned by its subsidiary company, Hartz Mountain Industries, where he also sits as the Chairman and Chief Executive Officer. Leonard Stern is an American developer who has made a total net worth of $4.2 billion in 2011-2012 making him one of the richest billionaires worldwide. Leonard Stern's fortune is valued at $4.8 billion.

Earnings & Financial Data

Date

Category

Description

Amount

2010

Asset

Money borrowed from one of the federal government’s financial rescue programs to purchase U.S. Small Business Administration issued debt

$200,000,000

2000

Sale of Asset

Sale of Leonard Stern's Max's pet supply business

$350,000,000

1989

Earning Turned Donation

Donation to New York University's business school, renamed in his honor

$30,000,000