Jack Senneff

Active Investor

Managing Director

St. Louis, Missouri

Jack Senneff, Managing Director is an active investor based in St. Louis, Missouri. This profile covers what Jack Senneff backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCInvestor
Stages: Series B
Invests in: Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseConsumer & RetailIoT & Connected Devices
Location: St. Louis, Missouri
Typical check: $3M

How to reach Jack Senneff

Angels and operators like Jack Senneff reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Frequently Asked Questions

What does Jack Senneff invest in?

Jack Senneff invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and SaaS & Enterprise, typically at Series B. Match your sector and stage, then reach out with a personalized pitch.