IRI Investors

23 investors on Angel Roster list IRI in their portfolio. Most are private equity firms and the largest groups are based in the United States, the United Kingdom and Japan.

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

Investors listed
23
With verified email
61%
Most common stage
Not specified
Top location
United States

Updated October 13, 2026 · How we compile this data

Top 23 IRI investors

The most complete profiles first. Showing 23 of 23.

  • Adam WeinsteinVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Contact details available

  • Andrew B.Verified

    Private Equity Firm · Japan

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Daniel RileyVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • David CoquilletteVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Ignacio SarriaVerified

    Private Equity Firm · United Kingdom

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • John KlineVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Laura HolsonVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Matt HoltVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Pete MasucciVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Robert HamweeVerified

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Chris DurbinVerified

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Verified email available

  • David BerkVerified

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Verified email available

  • James ElrodVerified

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Verified email available

  • John StephensVerified

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Verified email available

  • Norm AlpertVerified

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Verified email available

  • A. Joe Delgado

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Contact details available

  • Jack Qian

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Contact details available

  • Steve Klinsky

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Contact details available

  • Teddy Kaplan

    Private Equity Firm · United States

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Contact details available

  • Diya Talwar

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Contact details available

  • James Kelley

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Contact details available

  • Roger Holstein

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Contact details available

  • Winston Song

    Private Equity Firm · United States

    AdvertisingHealth CareWearablesHospitals

    Portfolio: Simple Mills, Yunzhou Intelligence Technology, Veritas Collaborative, Essent Healthcare and 5 more

    Contact details available

By location

Related industries

Most-backed portfolio companies

Frequently asked questions

How many IRI investors are on Angel Roster?

Angel Roster lists 23 IRI investors. 14 of them (61%) include a verified email address.

What types of investors are they?

The most common investor types are Private Equity Firms (23). An investor can have more than one type, for example an angel who is also a venture partner.

Where are IRI investors based?

Most are based in the United States (21), the United Kingdom (1) and Japan (1).

Which companies have IRI investors backed?

The most-backed portfolio companies among them are Alteon Health (14), Blue Yonder (14), Apptis, Inc (14), Cytel Corporation (14) and Beeline (14).

How do I contact IRI investors?

Create a free Angel Roster account to search and filter all 23, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.