Soso Sazesh is a Solo general partner at Substance, which invests at pre-seed in defense and space, ai and data, cybersecurity, with checks of Up to $500K.
What Soso can write
Substance writes Up to $500K checks, larger than 0% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Substance.Partners like Soso
At firms with a similar stage, sector and check size.
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One email when Soso's firm raises a fund, adds a partner or shows new activity.
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Who is Soso Sazesh?
Soso Sazesh is a Solo general partner at Substance, which invests at pre-seed in defense and space, ai and data, cybersecurity, with checks of Up to $500K.
How much does Soso Sazesh invest?
Soso Sazesh invests through Substance, which writes checks of Up to $500K at pre-seed.
How do I pitch Soso Sazesh?
A warm intro from a founder Substance backed works best.
Last updated 2026-10-15. Is this you? Ask for a correction.