Investment Stage

Focus Areas

About Investor

Deborah Zajac is a General Partner at SOSV based in New York, investing across ClimateTech/CleanTech, Health & Hospital Services, and Enterprise software. She supports founders from Pre-seed through Series B, helping companies address global sustainability and healthcare challenges. Deborah has extensive experience working with mission-driven startups that combine innovation with measurable impact. She partners closely with entrepreneurs on fundraising, strategy, and market expansion. Her investment approach focuses on technologies capable of creating long-term environmental and commercial value. She typically invests between $250K and $5M, averaging approximately $500K per initial investment.