Cliff Sirlin

Cliff Sirlin

Active Investor

Micro VC investor in Westport

Westport, Connecticut

Cliff Sirlin, Micro VC investor in Westport is an active investor based in Westport, Connecticut. This profile covers what Cliff Sirlin backs, at which stage, and how founders can reach out in 2026.

Investor type
Micro VC
Stages
SeedSeries A
Invests in
SaaS & EnterpriseDigital Health & HealthTechHardware & Deep TechRobotics & AutomationGaming & EntertainmentAR/VR & MetaverseMedTech & Medical Devices
Location
Westport, Connecticut
Typical check
$625K
Past investments
91

Notable investments

PilotlyTallaBiorezFuture FamilyCompologyApptientModumateAsk.VetFitivity6KKnowIt EventsToka

How to reach Cliff Sirlin

Angels and operators like Cliff Sirlin 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 Accelerator.

Connect with Cliff Sirlin

Application closes in --:--:--
Email Cliff Sirlin

Frequently Asked Questions

What does Cliff Sirlin invest in?

Cliff Sirlin invests in SaaS & Enterprise, Digital Health & HealthTech, Hardware & Deep Tech and Robotics & Automation, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does Cliff Sirlin invest at?

Cliff Sirlin typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Cliff Sirlin's typical check size?

Cliff Sirlin typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.

How do I contact Cliff Sirlin?

Unlock Cliff Sirlin's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Cliff Sirlin