Michael Sutton
Michael Sutton is a General Partner and Co-Founder at Runtime, previously founding StoneMill Ventures. He spent over 20 years in cybersecurity, including as CISO at Zscaler.
What Michael can write
Runtime Ventures writes $250K to $3M checks, larger than 33% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Runtime Ventures.Career
- iDEFENSE
- Zscaler · CISO
- StoneMill Ventures · Founder
- Runtime · General Partner & Co-FounderNow
- iDEFENSE
- SPI Dynamics
- StoneMill Ventures
- Runtime Ventures · General Partner & Co-FounderNow
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Also at Runtime Ventures
Partners like Michael
At firms with a similar stage, sector and check size.
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One email when Michael's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Michael Sutton?
Michael Sutton is a General Partner and Co-Founder at Runtime, previously founding StoneMill Ventures. He spent over 20 years in cybersecurity, including as CISO at Zscaler.
How much does Michael Sutton invest?
Michael Sutton invests through Runtime Ventures, which writes checks of $250K to $3M at pre-seed, seed.
How do I pitch Michael Sutton?
A warm intro from a founder Runtime Ventures backed works best. A short LinkedIn note with one line on traction is the next best route.
What did Michael Sutton do before Runtime Ventures?
iDEFENSE; CISO at Zscaler; Founder at StoneMill Ventures; iDEFENSE; SPI Dynamics; StoneMill Ventures.
Last updated 2026-10-15. Is this you? Ask for a correction.