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HORIZON 2045 FOUNDATION

EIN 93-3515328 MILL VALLEY, CA

Browse the largest nonprofits in California

Revenue 2025
$1,687,674
Expenses 2025
$969,812

Program services were 84.4% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

As filed

Subsection
03
NTEE code
Q41
Classification
1000
Street
203 FLAMINGO RD PMB 147

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Mission and programs · 2025

Mission

HORIZON 2045 REIMAGINES LONG-TERM HUMAN AND PLANETARY SECURITY THROUGH STRATEGIC INTERVENTIONS ACROSS INTERCONNECTED SYSTEMS. WE IDENTIFY LEVERAGE POINTS FOR SYSTEMS CHANGE AND BUILD BRIDGES BETWEEN FIELDS.

  • IN 2025, HORIZON 2045 ADVANCED THREE MAJOR INITIATIVES EMBODYING OUR VISION OF INTEGRATED SECURITY. WOMEN TRANSFORMING GLOBAL SECURITY-LAUNCHED WITH THE ELDERS AND PLOUGHSHARES-UNITES FORMER HEADS OF STATE TO BUILD FRAMEWORKS FOR TODAY'S INTERCONNECTED THREATS. LEX MUNDI NOVA CONVENED 80+ LEGAL SCHOLARS TO CONSTRAIN NUCLEAR WEAPONS ACTIVITIES. REIMAGINING PHILANTHROPY, DEVELOPED WITH GLOBAL PHILANTHROPY FORUM, ENGAGES SENIOR LEADERS FROM TWO DOZEN FUNDERS. EACH INITIATIVE REFLECTS OUR CORE BELIEF: CLIMATE BREAKDOWN, UNGOVERNED AI, NUCLEAR THREATS, AND DEMOCRATIC EROSION CANNOT BE SOLVED ALONE.

    Expenses $818,396

  • WE ALSO DEEPENED OUR STRATEGIC FORESIGHT PRACTICE IN 2025. WE UPDATED THE FORESIGHT RADAR AND EMBEDDED IT IN THE IMPACT CENTER'S PEACE AND SECURITY EXECUTIVE LEADERSHIP PROGRAM, BRINGING NEW TOOLS FOR NAVIGATING CHANGE TO DOZENS OF NGO LEADERS ACROSS THE FIELD. IN PARTNERSHIP WITH DEMOCRACY 2076, WE DEVELOPED SCENARIOS FOR THE FUTURES OF DEMOCRACY-AND WE LAUNCHED A SECOND COHORT OF NUCLEAR FUTURES FELLOWS. TOGETHER, THESE EFFORTS EXTEND OUR REACH: BUILDING CAPACITY, EXPANDING THE FIELD, AND SEEDING THE NEXT GENERATION OF LEADERS WHO WILL CARRY THIS WORK FORWARD.

  • FULL MISSION STATEMENT: THE MOST INTRACTABLE CHALLENGES OF OUR TIME DEMAND MORE THAN EXPERTISE-THEY REQUIRE SYSTEMS THINKING, CROSSSECTOR COLLABORATION, AND THE COURAGE TO CHALLENGE OUTDATED PARADIGMS. HORIZON 2045 EXISTS AT THIS INTERSECTION, CONNECTING POLICY ELITES, LEGAL INNOVATORS, AND PHILANTHROPIC LEADERS AROUND A SHARED CONVICTION: THAT DURABLE SECURITY IS INDIVISIBLE. WHETHER CONVENING HEADS OF STATE OR REIMAGINING HOW FUNDERS APPROACH COMPLEXITY, OUR WORK INSISTS THAT INTEGRATED PROBLEMS REQUIRE INTEGRATED SOLUTIONS-AND THAT TRANSFORMATIVE CHANGE BEGINS WITH TRANSFORMING HOW WE THINK.

As filed on the 2025 return.

Officers and directors · 2025

As listed in Part VII of the 2025 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • Erika Gregory

    PRESIDENT, C

    Total calculated
    $260,466
    From this org
    $260,466
    From related orgs
    $0
    Other
    $0
    Hours/week
    60

    Schedule J breakdown matched by us

    Base
    $260,466
    Bonus
    not reported
    Other
    not reported
    Deferred
    not reported
    Nontaxable benefits
    not reported
    Filer's total
    $260,466
  • Chris Collins

    BOARD CHAIR

    Total calculated
    $0
    Hours/week
    2
  • Holden Lee

    TREASURER

    Total calculated
    $0
    Hours/week
    2
  • Pedro Alonzo

    BOARD MEMBER

    Total calculated
    $0
    Hours/week
    2
  • Claire Ireland

    BOARD MEMBER

    Total calculated
    $0
    Hours/week
    2
  • Smith T Powell

    BOARD MEMBER

    Total calculated
    $0
    Hours/week
    2
  • Julia Roig

    BOARD MEMBER

    Total calculated
    $0
    Hours/week
    2

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.

Filings

  • 2025
    Revenue
    $1,687,674
    Expenses
    $969,812
    Contributions
    $1,430,386
    Grants paid
    $0
  • 2024
    Revenue
    $1,151,633
    Expenses
    $1,085,980
    Contributions
    $1,073,018
    Grants paid
    $0
  • 2023
    Revenue
    $125,688
    Expenses
    $22,500
    Contributions
    not reported
    Grants paid
    not reported

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Grants made

No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.

Grants received

  • 2024 CIVIL PARTICIPATION

  • 2023 PUBLIC SAFETY, DISASTER PREPAREDNESS AND RELIEF

  • 2024 PUBLIC SAFETY, DISASTER PREPAREDNESS AND RELIEF

  • 2024 TO SUPPORT HORIZON 2045'S WORK ON IDENTIFYING AND EXECUTING DISRUPTIVE LEGAL AND NORMATIVE STRATEGIES TO HELP SHIFT THE NUCLEAR WEAPONS SYSTEM TOWARDS DISARMAMENT AND PROHIBITION.

  • 2025 Support for research work on disruptive legal and normative strategies to help shift the nuclear weapons system towards disarmament and prohibition.

  • 2024 To identify disruptive legal and normative strategies to help shift the nuclear weapons system towards disarmament.

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 13 October 2026, under deductibility PC.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 9 November 2026 and read 9 November 2026, for every organization at once. Returns through tax year 2025, the newest we have parsed for this organization.