A native of Brooklyn, New York, he was named the 22nd head coach in Manhattan Jaspers basketball history on April 25, 2006.

[4][5] Prior to being appointed at Manhattan, Rohrssen served as an assistant coach at St. Francis College (his alma mater), the University of Nevada, Las Vegas (UNLV), and the University of Pittsburgh.

He did so by signing NYC natives like Levance Fields and Carl Krauser.

Rohrssen has also worked as an actor, with minor roles in several films, including Glengarry Glen Ross (1992).

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