Add an eventMattan Griffel
creator of “One Month Rails”, partner at @growhack, teacher at @ga, growth hacker at @qventures, ny ambassador to @sandbox_network, add,
bio from Twitter
Mattan Griffel recently attended
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Growth Hacking: Lean Marketing with Mattan Griffel
United States United States, Brooklyn
6th March 2013
Mattan Griffel spoke
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Internet Week New York
United States United States, New York
14th–21st May 2012
Mattan Griffel spoke
