Sean Doctor is a Partner and Ops Strategist at Infinite Capital. He previously worked as a mountain bike guide and snowboard instructor.
What Sean can write
Infinite Capital writes $3M to $30M+ checks, larger than 93% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Infinite Capital.Investments named in public bios
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Also at Infinite Capital
Partners like Sean
At firms with a similar stage, sector and check size.
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One email when Sean'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 Sean Doctor?
Sean Doctor is a Partner and Ops Strategist at Infinite Capital. He previously worked as a mountain bike guide and snowboard instructor.
How much does Sean Doctor invest?
Sean Doctor invests through Infinite Capital, which writes checks of $3M to $30M+ at pre-seed, seed, series a, series b.
How do I pitch Sean Doctor?
A warm intro from a founder Infinite Capital backed works best. A short LinkedIn note with one line on traction is the next best route.
Last updated 2026-10-15. Is this you? Ask for a correction.