Stephen L. Green is the founder for S.L. Green Realty Corp., which claims to be Manhattan

Manhattan

Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...

’s largest owner of office buildings.

Green is the older brother of former New York City Public Advocate Mark J. Green

Mark J. Green

Mark J. Green is an author, public interest lawyer and a Democratic politician who lives in New York City. He worked with Ralph Nader from 1970-1980, eventually as director of Public Citizen's Congress Watch, and is also the former president of Air America Radio .He was New York City Consumer...

. He received a BA from Hartwick College

Hartwick College

Hartwick College is a non-denominational, private, four-year liberal arts and sciences college located in Oneonta, New York, in the United States. The institution was founded as Hartwick Seminary in 1797 through the will of John Christopher Hartwick, and is now known as Hartwick College...

 in 1959, and a JD from Boston College

Boston College

Boston College is a private Jesuit research university located in the village of Chestnut Hill, Massachusetts, USA. The main campus is bisected by the border between the cities of Boston and Newton. It has 9,200 full-time undergraduates and 4,000 graduate students. Its name reflects its early...

 Law School in 1962 and was a trial attorney for several years and began buying loft

Loft

A loft can be an upper story or attic in a building, directly under the roof. Alternatively, a loft apartment refers to large adaptable open space, often converted for residential use from some other use, often light industrial...

s in New York City in 1980 via SL Green Properties. Green formed a REIT  and went public in 1997 trading on the New York Stock Exchange

New York Stock Exchange

The New York Stock Exchange is a stock exchange located at 11 Wall Street in Lower Manhattan, New York City, USA. It is by far the world's largest stock exchange by market capitalization of its listed companies at 13.39 trillion as of Dec 2010...

 under the stock ticker

Stock Ticker

Stock Ticker is a now out of print board game that was popular upon its release and is still played today. It was released by Copp-Clark Publishing, a venerable Canadian publisher.-Game play:...

 of SLG. In January his website said the company owns 42 buildings representing 25 million square feet. He is married to Nancy Peck who runs Nancy Peck & Co, which specializes in being an "office watchdog" during construction/refurbishment. Nancy has a son-Jonathan Peck. Jonathan has a daughter Elizabeth, and a son Ryan who are two of the 11 grandchildren Nancy and Steve have.

In 2007 he bought Air America radio network and installed his brother Mark as President.

He was a bronze medalist in squash

Squash (sport)

Squash is a high-speed racquet sport played by two players in a four-walled court with a small, hollow rubber ball...

 at the 1985 Maccabiah Games

Maccabiah Games

The Maccabiah is an international Jewish athletic event similar to the Olympics held in Israel every four years under the auspices of the Maccabi Federation, affiliated with the Maccabi World Union. The Maccabiah Games is the third largest international sports competition in the world...

. He endows the SL Green National Open Squash Championships for U.S. Squash

U.S. Squash

U.S. Squash is the national governing body for the sport of squash in the United States. U.S. Squash was previously known as the United States Squash Racquets Association . The organization is headquartered in New York City and is a member of the U.S. Olympic Committee. U.S. Squash owns and...

. In 2008 he donated money for a $9 million, 20000 square feet (1,858.1 m²) SL Green StreetSquash Center on West 115th Street in Harlem

Harlem

Harlem is a neighborhood in the New York City borough of Manhattan, which since the 1920s has been a major African-American residential, cultural and business center. Originally a Dutch village, formally organized in 1658, it is named after the city of Haarlem in the Netherlands...

.