Leonard Speiser
Chief Operating Officer at Horizon 3
Los Altos, California
Leonard Speiser, Chief Operating Officer at Horizon 3 is an active investor based in Los Altos, California. This profile covers what Leonard Speiser backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPE
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- Artificial IntelligenceSaaS & EnterpriseConsumer & RetailHardware & Deep TechPropTech & Real Estate
- Location
- Los Altos, California
- Typical check
- $1M
- Past investments
- 19
Notable investments
How to reach Leonard Speiser
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Frequently Asked Questions
What does Leonard Speiser invest in?
Leonard Speiser invests in Artificial Intelligence, SaaS & Enterprise, Consumer & Retail and Hardware & Deep Tech, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
How do I contact Leonard Speiser?
Unlock Leonard Speiser's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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