Jay Zeidman

Active Investor

Managing Partner and Co-Founder at Altitude Ventures

Houston, Texas

Jay Zeidman, Managing Partner and Co-Founder at Altitude Ventures is an active investor based in Houston, Texas. This profile covers what Jay Zeidman backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPEInvestor
Stages: Early Stage VentureSeedSeries A
Invests in: Healthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseDeveloper Tools & DataPropTech & Real EstateEdTechGaming & EntertainmentMedia & Content
Location: Houston, Texas
Typical check: $500K
Past investments: 7

Notable investments

Houston First CorporationOpyaU.S. Capital Advisors LLCShiftWizard (acquired by HealthStream)180 Health Partners (acquired by Mindoula)Nest CollaborativeSport Ortho Urgent Care

How to reach Jay Zeidman

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Frequently Asked Questions

What does Jay Zeidman invest in?

Jay Zeidman invests in Healthcare & Biotech, Digital Health & HealthTech, SaaS & Enterprise and Developer Tools & Data, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.