Circonus Investors

33 investors on Angel Roster list Circonus in their portfolio. Most are private equity firms and venture capital firms, the most common stage is Seed and the largest groups are based in the United States.

Investors are matched on the company name in their portfolio, so companies that share the name Circonus can appear together.

Investors listed
33
With verified email
42%
Most common stage
Seed
Top location
United States

Updated October 13, 2026 · How we compile this data

Top 33 Circonus investors

The most complete profiles first. Showing 33 of 33.

  • Jason CaplainVerified

    Venture Capital, Founder, Private Equity Firm · United States

    SeedEmailE-commerceCybersecurityEnterprise Software

    Portfolio: Connect, Contactually, ServiceTrade, Attila and 14 more

    Verified email available

  • Bharat SanthanamVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Brian KimVerified

    Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Brian RuweVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Bruce DowneyVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • David DrahmsVerified

    Venture Capital · United States

    Health CareTelecommunicationsWellnessWomen Founded

    Portfolio: InstaMed, Earnest Research, Indico, Pneuron and 44 more

    Verified email available

  • David JonesVerified

    Venture Capital, Private Equity Firm · United States

    EmailE-commerceCybersecurityEnterprise Software

    Portfolio: Connect, Contactually, ServiceTrade, Attila and 10 more

    Verified email available

  • Emily FooteVerified

    Venture Capital · United States

    Health CareTelecommunicationsWellnessWomen Founded

    Portfolio: InstaMed, Earnest Research, Indico, Pneuron and 44 more

    Verified email available

  • Greg BargerVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Jon SchwartzVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Michael DiPianoVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Nate LentzVerified

    Venture Capital · United States

    Health CareTelecommunicationsWellnessWomen Founded

    Portfolio: InstaMed, Earnest Research, Indico, Pneuron and 44 more

    Verified email available

  • Steve HobmanVerified

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Tommy TigheVerified

    Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Verified email available

  • Adam VeVerka

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Andrew Panzo

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Anne Vazquez

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Bob Adelson

    Venture Capital · United States

    Health CareTelecommunicationsWellnessWomen Founded

    Portfolio: InstaMed, Earnest Research, Indico, Pneuron and 44 more

    Contact details available

  • Drew Scannell

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Emily Kosten

    Venture Capital · United States

    Health CareTelecommunicationsWellnessWomen Founded

    Portfolio: InstaMed, Earnest Research, Indico, Pneuron and 44 more

    Contact details available

  • Glenn Rieger

    Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Hart Callahan

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Jon Gulardo

    Venture Capital · United States

    Health CareTelecommunicationsWellnessWomen Founded

    Portfolio: InstaMed, Earnest Research, Indico, Pneuron and 44 more

    Contact details available

  • Kapila Ratnam

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Kenny Straub

    Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Kirk Clark

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Lee Garber

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Marc Lederman

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Matt Plevelich

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Michael DiMartile

    Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Mitchell Sussman

    Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Robert Valvano

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

  • Skip Maner

    Venture Capital, Private Equity Firm · United States

    Health CareData IntegrationHospitalsEmail

    Portfolio: ContinuumRx, TrialScope, USPack Logistics, SiteSpect and 75 more

    Contact details available

Frequently asked questions

How many Circonus investors are on Angel Roster?

Angel Roster lists 33 Circonus investors. 14 of them (42%) include a verified email address.

What types of investors are they?

The most common investor types are Private Equity Firms (27), Venture Capital Firms (27) and Founder-Investors (1). An investor can have more than one type, for example an angel who is also a venture partner.

Which stages do Circonus investors invest in?

Among those that list a stage, the most common are Seed (1).

Where are Circonus investors based?

Most are based in the United States (33).

Which companies have Circonus investors backed?

The most-backed portfolio companies among them are ExecOnline (31), Smart Destinations (25), Open Road Integrated Media (25), Atlantic Diagnostic Laboratories (25) and Spiro Health (25).

How do I contact Circonus investors?

Create a free Angel Roster account to search and filter all 33, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.