Alan Norman Cohen was the former co-owner of the Boston Celtics

Boston Celtics

The Boston Celtics are a National Basketball Association team based in Boston, Massachusetts. They play in the Atlantic Division of the Eastern Conference. Founded in 1946, the team is currently owned by Boston Basketball Partners LLC. The Celtics play their home games at the TD Garden, which...

 and the New Jersey Nets

New Jersey Nets

The New Jersey Nets are a professional basketball team based in Newark, New Jersey. They are members of the Atlantic Division of the Eastern Conference in the National Basketball Association...

, and chairman and CEO of the Madison Square Garden

Madison Square Garden

Madison Square Garden, often abbreviated as MSG and known colloquially as The Garden, is a multi-purpose indoor arena in the New York City borough of Manhattan and located at 8th Avenue, between 31st and 33rd Streets, situated on top of Pennsylvania Station.Opened on February 11, 1968, it is the...

 Corporation, owner of the New York Knicks

New York Knicks

The New York Knickerbockers, prominently known as the Knicks, are a professional basketball team based in New York City. They are part of the Atlantic Division of the Eastern Conference in the National Basketball Association...

 and the New York Rangers

New York Rangers

The New York Rangers are a professional ice hockey team based in the borough of Manhattan in New York, New York, USA. They are members of the Atlantic Division of the Eastern Conference of the National Hockey League . Playing their home games at Madison Square Garden, the Rangers are one of the...

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Cohen began his career in law and entertainment some years after he graduated from Columbia College of Columbia University

Columbia College of Columbia University

Columbia College is the oldest undergraduate college at Columbia University, situated on the university's main campus in Morningside Heights in the borough of Manhattan in New York City. It was founded in 1754 by the Church of England as King's College, receiving a Royal Charter from King George II...

, and Columbia Law School

Columbia Law School

Columbia Law School, founded in 1858, is one of the oldest and most prestigious law schools in the United States. A member of the Ivy League, Columbia Law School is one of the professional graduate schools of Columbia University in New York City. It offers the J.D., LL.M., and J.S.D. degrees in...

. Before he gained prominence as a co-owner of the Celtics, he was part of a group that owned the New York Cosmos

New York Cosmos

The New York Cosmos were an American soccer club based in New York City, New York and its suburbs. The team played home games in three stadiums around New York before moving in 1977 to Giants Stadium, East Rutherford, New Jersey, where it remained for the rest of its history...

, which made international headlines by signing superstar Pelé

Pelé

However, Pelé has always maintained that those are mistakes, that he was actually named Edson and that he was born on 23 October 1940.), best known by his nickname Pelé , is a retired Brazilian footballer. He is widely regarded as one of the greatest football players of all time...

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While not known as an innovator, Cohen did come up with the idea of placing revolving advertisements courtside at NBA games. He was also the founding Chairman of ANC Sports in Purchase, NY.