Sean Lyle, Managing Partner at Overwatch Capital is an active investor based in Phoenix, Arizona. This profile covers what Sean Lyle backs, at which stage, and how founders can reach out in 2026.
Sean Lyle is an entrepreneur focused on creating a more sustainable world and ensuring the safety and security of our country.
Sean Lyle invests in Climate & Energy and Impact & Social Enterprise, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Climate & EnergyImpact & Social Enterprise
- Location
- Phoenix, Arizona
- Typical check
- $3.8M
How to reach Sean Lyle
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About this profile
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Cite this page
Round Funded. "Sean Lyle." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sean-lyle
Frequently Asked Questions
Who is Sean Lyle?
Sean Lyle, Managing Partner at Overwatch Capital is an active investor based in Phoenix, Arizona. Sean Lyle invests in Climate & Energy and Impact & Social Enterprise, typically at Early Stage Venture and Late Stage Venture.
What does Sean Lyle invest in?
Sean Lyle invests in Climate & Energy and Impact & Social Enterprise, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sean Lyle invest at?
Sean Lyle typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Sean Lyle's typical check size?
Sean Lyle typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.