Phil Keslin

Active Investor

Operating Partner at Air Street Capital

San Jose, California

Phil Keslin, Operating Partner at Air Street Capital is an active investor based in San Jose, California. This profile covers what Phil Keslin backs, at which stage, and how founders can reach out in 2026.

Phil Keslin is an Operating Partner at Air Street Capital and CTO at Niantic, Inc.

Phil Keslin invests in Artificial Intelligence and Hardware & Deep Tech, typically at Seed, Series A and Early Stage Venture.

Investor type
VC
Stages
SeedSeries AEarly Stage Venture
Invests in
Artificial IntelligenceHardware & Deep Tech
Location
San Jose, California
Typical check
$500K

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Round Funded. "Phil Keslin." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/phil-keslin

Frequently Asked Questions

Who is Phil Keslin?

Phil Keslin, Operating Partner at Air Street Capital is an active investor based in San Jose, California. Phil Keslin invests in Artificial Intelligence and Hardware & Deep Tech, typically at Seed, Series A and Early Stage Venture.

What does Phil Keslin invest in?

Phil Keslin invests in Artificial Intelligence and Hardware & Deep Tech, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Phil Keslin invest at?

Phil Keslin typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Phil Keslin's typical check size?

Phil Keslin typically writes checks around $500K. 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.