David Clark Guillermo joined Impact America Fund as a Mosaic Fellow in 2024 and returned full-time in 2025. He previously worked in investment banking at Goldman Sachs and corporate development at Bird.
What David can write
Impact America Fund writes $250K to $3M checks, larger than 33% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Impact America Fund.Career
- Goldman Sachs · investment banking
- Bird · corporate development
- Impact Capital Managers · Mosaic Fellow2024
- Impact America Fund · InvestorNow
Focus
Education
Also at Impact America Fund
Partners like David
At firms with a similar stage, sector and check size.
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One email when David'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 David Clark Guillermo?
David Clark Guillermo joined Impact America Fund as a Mosaic Fellow in 2024 and returned full-time in 2025. He previously worked in investment banking at Goldman Sachs and corporate development at Bird.
How much does David Clark Guillermo invest?
David Clark Guillermo invests through Impact America Fund, which writes checks of $250K to $3M at seed, series a, series b.
How do I pitch David Clark Guillermo?
Email [email protected], the firm's inbox for founders, and name David in the subject. A warm intro from a founder Impact America Fund backed works better.
What did David Clark Guillermo do before Impact America Fund?
investment banking at Goldman Sachs; corporate development at Bird; Mosaic Fellow at Impact Capital Managers.
Last updated 2026-10-15. Is this you? Ask for a correction.