Igor Kofman founded HackPad (Y Combinator W12), which was later acquired by Dropbox and became Paper. He subsequently served as co-founder and co-CEO of Act Now Coalition.
Intro paths
YC
Igor went through Y Combinator (Winter 2012) — any YC alum in your network can reach them through the YC community.
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In turn, Igor can intro founders to HackPad's investors below.