Mill River Collaborative Inc logo

Mill River Collaborative Inc

Public charity · Grantmaker Stamford, CT EIN: 06-1507648 Website

Our mission is to run a world-class urban park in the heart of stamford that serves as both an oasis in city life and a vibrant, diverse, green-space that inspires sound environmental practices and learning.

Key facts about Mill River Collaborative Inc

In short: Mill River Collaborative Inc gave $18.9M across 1 grant in 2025 (avg $18.9M), mostly in Connecticut. Source: 2025 IRS Form 990.

EIN
06-1507648
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$18,894,110
Grants made (2025)
1
Average grant
$18,894,110
Median grant
$18,894,110
Total assets
$4,349,361
Primary geography
Connecticut (100% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$4.3M

-79.5% YoY

Annual Giving

$18.9M

Grant Count

1

Avg Grant Size

$18.9M

About Mill River Collaborative Inc

Based on IRS filings

Mill River Collaborative Inc is a public charity focused on Recreation & Sports, based in Stamford, CT. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $4.3M in total assets. In 2025, it awarded 1 grant totaling $18.9M. Net investment income was $197K.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

Stamford

Giving Over Time

Total grant dollars and number of grants per year

$0$5M$10M$15M$20M0 grants2020 0 grants2021 0 grants2022 0 grants2023 0 grants2024 1 grant2025

In 2025 it made 1 grant totaling $18.9M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top recipient in 2025

City of Stamford: $18.9MCity of Stamford$18.9M

The largest 2025 recipient was City of Stamford ($18.9M).

Grant Size Distribution

1 grant across all recorded years

<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M1$5M+

The most common grant size was $5M or more: 1 grant of 1 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
City of Stamford Stamford, CTTransfer of Park Infrastructure Assets$18,894,110

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$10M$20M$30M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$4,349,361$21,175,746$22,473,404
Revenue$6,989,692$3,598,938$3,762,495
Expenses$23,145,682$4,212,767$4,087,465
Net Investment Income$197,140$81,205$95,326

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)

Leadership & Key People

Officers and directors from IRS filings

Mill River Collaborative Inc is led by Jeannette Compton, President & CEO on every filing since 2022; 4 of 34 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Jeannette Compton

    President & CEO

    On filings since 2022

    40 hrs/week

    $202K (2023) → $218K (2025)

  • Arnold Karp

    Chairman

    Vice Chair → Chairman, 2023

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Tom Casazzone

    Director of Finance & Ops

    Director of Finance & Operations → Director of Finance & Ops, 2025

    On filings since 2024

    40 hrs/week

    $40K (2024) → $128K (2025)

  • Arthur Selkowitz

    Director

    Chairman → Director, 2023

    On filings since 2020

    1 hr/week

    No compensation reported

  • Emily M. Gordon

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Matt Quinones

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Noah Lapine

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Ralph Blessing

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Shelly Nichani

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Bonnie Kim Campbell

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • David Kooris

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Jennifer Young

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Keegan Drenosky

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Robin Graham

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Fabrizio Zichichi

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Adam Whittingham

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Bridget Fox

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Cynthia Ferreira

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Kathryn Corbally

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Tom Walsh

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Jon Marcus

    Director

    On filings since 2024

    1 hr/week

    No compensation reported

  • Michael Widland

    Director

    On filings since 2024

    1 hr/week

    No compensation reported

  • Reverend Dr Robert Jackson

    Director

    On filings since 2024

    1 hr/week

    No compensation reported

  • Jennifer Forman

    Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Mia Schipani

    Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Niamh Thurman

    Director of Finance & Ops

    New on the 2025 filing

    40 hrs/week

    No compensation reported

  • Mike Stake

    Vice President of Capital Construction

    Director of Construction & Capital → Director of Capital Planning, 2021

    Director of Capital Planning → Vice President of Capital Construction, 2024

    On filings since 2020

    40 hrs/week

    $123K (2020) → $155K (2025)

  • Alicia Wettenstein

    Vice President of Development

    Director of Development → Vice President of Development, 2024

    On filings since 2021

    40 hrs/week

    $123K (2021) → $138K (2025)

  • Don Brownstein

    Secretary

    On filings since 2020

    3 hrs/week

    No compensation reported

  • Frank Mercede

    Vice Chair

    Director → Vice Chair, 2023

    On filings since 2020

    3 hrs/week

    No compensation reported

  • George Boyce

    Vice Chair

    Director → Vice Chair, 2023

    On filings since 2020

    3 hrs/week

    No compensation reported

  • Jim Shapiro

    Secretary

    Director → Secretary, 2025

    On filings since 2020

    3 hrs/week

    No compensation reported

  • Robert Granata

    Treasurer

    On filings since 2020

    3 hrs/week

    No compensation reported

  • Ryan Salvatore

    Assistant Secretary

    Director → Assistant Secretary, 2023

    On filings since 2020

    3 hrs/week

    No compensation reported

Former officers (22)
  • Former: Conor Horigan (2021–2024) — Director
  • Former: Camille S. Spaulding (2020–2023) — Director
  • Former: Jj Sendelbach (2020–2023) — Director
  • Former: Nate Zubal (2020–2023) — Director
  • Former: Fatima Mawji MD (2021–2023) — Director
  • Former: Jon Winkel (2021–2023) — Director
  • Former: Loren Nadres (2023) — Director
  • Former: Mark McGrath (2020–2022) — Director
  • Former: Michael Pollard (2020–2022) — Director
  • Former: Stephen Osman (2020–2022) — Director
  • Former: Thomas Madden (2020–2022) — Director
  • Former: Nia Rhodes-Jackson (2021–2022) — Director of Outreach
  • Former: Nicole King (2021–2022) — Director
  • Former: Sandra Goldstein (2021–2022) — Director
  • Former: Bob Phillips (2020–2021) — Vice Chair
  • Former: Dudley Williams (2020–2021) — President & CEO -
  • Former: Katie Kasinskas (2020–2021) — Director
  • Former: Ernie Orgera (2020) — Director
  • Former: Michael Whittingham (2020) — Director
  • Former: Nia Rhodes Jackson (2020) — Director of Visitor Engagement
  • Former: Robert C. Graham Jr. (2020) — Director
  • Former: Sandy Goldstein (2020) — Director

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Jeannette Compton — President & CEO: $218KJeannette ComptonPresident & CEO$218KMike Stake — VP of Capital Construction: $155KMike StakeVP of Capital Construction$155KAlicia Wettenstein — VP of Development: $138KAlicia WettensteinVP of Development$138KTom Casazzone — DIR. of Finance & Ops Thru 05/2025: $128KTom CasazzoneDIR. of Finance & Ops Thru…$128K

The highest reported compensation on the 2025 filing was $218K, to Jeannette Compton (President & CEO). 4 officers or directors reported compensation on that filing.

Frequently asked questions about Mill River Collaborative Inc

How much does Mill River Collaborative Inc give each year?

Mill River Collaborative Inc gave $18.9M across 1 grant in 2025, according to its 2025 IRS Form 990.

How large is Mill River Collaborative Inc?

Mill River Collaborative Inc reported $4.3M in total assets on its 2025 IRS Form 990. Its revenue that year was $7.0M.

What is Mill River Collaborative Inc?

Mill River Collaborative Inc is a public charity focused on Recreation & Sports, based in Stamford, CT. It holds $4.3M in total assets as of 2025.

Where does Mill River Collaborative Inc operate?

Mill River Collaborative Inc has awarded grants in Connecticut.

What is Mill River Collaborative Inc's EIN?

Mill River Collaborative Inc's EIN (Employer Identification Number) is 06-1507648. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

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