Howard Greenstein

New York

An entrepreneur, consultant, writer, adjunct lecturer, husband, father and Internet celebrity spokes-model.

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Way in the Future
13 MAR
The Only Pi Day of Our Lives

Across the world! · Friday, March 13, 2015 7:00 PM

Howard Greenstein is attending

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21 OCT
Doc Brown, Marty McFly, and Jennifer Parker arrive from 1985

Hill Valley · Wednesday, October 21, 2015 2:25 AM

Howard Greenstein is attending

count me in track'n love