Sydney Thomas is Founder and General Partner of Symphonic Capital, an early-stage venture firm. She launched the firm in 2023 and previously helped scale a Silicon Valley fund.
What Sydney can write
Symphonic writes $250K to $500K checks, larger than 33% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Symphonic.Career
- Silicon Valley fund
- Symphonic Capital · Founder and General PartnerNow
Companies founded
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Education
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One email when Sydney'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 Sydney Thomas?
Sydney Thomas is Founder and General Partner of Symphonic Capital, an early-stage venture firm. She launched the firm in 2023 and previously helped scale a Silicon Valley fund.
How much does Sydney Thomas invest?
Sydney Thomas invests through Symphonic, which writes checks of $250K to $500K at pre-seed.
How do I pitch Sydney Thomas?
Email [email protected], the firm's inbox for founders, and name Sydney in the subject. A warm intro from a founder Symphonic backed works better.
What did Sydney Thomas do before Symphonic?
Silicon Valley fund.
Last updated 2026-10-15. Is this you? Ask for a correction.