Brooklyn, New York City, New York, U.S.
In addition to his role on The Sopranos, he has also had some minor film credits, most notably as mother-fixated pyromaniac Donald 'Donny' Kohler in the 1980 slasher film Don't Go in the House, and some guest TV appearances, including several episodes on Law & Order. Grimaldi also voices 'Frank' for the bestselling computer game Mafia. He is often cast in "tough-guy" roles.
Grimaldi holds a bachelor's degree in mathematics from Fordham University, a master's degree in operations research from New York University, and a Ph.D. in data processing from the City University of New York, and teaches in the Department of Mathematics and Computer Science at Kingsborough Community College in Brooklyn, New York.
He was a friend of the late mobster Anthony Spero.
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