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Help
API
Disclaimer
Contact Us
Donate
Newsletter
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Blog
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Powerlines
donate
This year LittleSis turned 15! Consider becoming a LittleSustainer to help unsure that our movements have the research and tools
we need to win for the long haul. Any amount is greatly appreciated.
Donate today.
David M Siegel
David Mark Siegel (born 1961) is an American computer scientist, entrepreneur, and philanthropist. He co-founded Two Sigma, where he currently serves as co-chairman.
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