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Coalition for Archaeological Synthesis

EIN 86-1034071 · Tucson, AZ

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthNot ratedToo small or too little detailGovernanceGood88 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE COALITION FOR ARCHAEOLOGICAL SYNTHESIS IS AN ALLIANCE OF PARTNER ORGANIZATIONS AND INDIVIDUAL ASSOCIATES WHO ARE COMMITTED TO FOSTERING SYNTHESIS IN ARCHAEOLOGY TO EXPAND KNOWLEDGE AND BENEFIT SOCIETY.

Income
$32,221
Spending
$7,321
Reserves
Over 10 years of spending
Largest source of income
investment income, 69%
Employees
0

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Good: 88 out of 100. Higher than 78% of charities in its peer group (science, under $250k).

  • Independent board

    25 of 25

    14 of 14 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. DESIGN WORKSHOP AND RESEARCH. BRIDGING ARCHAEOLOGICAL SYNTHESIS AND MACHINE LEARNING FORMALIZES AND DEVELOPS THE CONCEPT OF THE ARCHAEOLOGICAL SYNTHESIS ECOSYSTEM. THIS ECOSYSTEM WILL INCLUDE SPACE FOR RESEARCHERS AND HERITAGE MANAGERS TO DOCUMENT, SHARE, AND CURATE ARCHAEOLOGICALLY FOCUSED MODELS ALONG WITH THEIR TRAINING DATA, AS WELL AS AUTOMATED PATHWAYS TO INTEGRATE DATASETS WITH MACHINE LEARNING MODELS.
  2. RESEARCH. URBAN ADAPTATION TO ENVIRONMENTAL CHANGE. THIS RESEARCH IS IN RESPONSE TO THE PRESSING GLOBAL CONVERSATION ON URBAN ADAPTATION TO CLIMATE CHANGE AND FACILITATES A DIALOGUE BETWEEN URBAN ARCHAEOLOGISTS AND NON- ARCHAEOLOGISTS ENGAGED IN THE DESIGN OF ADAPTIVE SOLUTIONS.
  3. RESEARCH WORKING GROUP: A LONG-TERM, GLOBAL PERSPECTIVE ON HUMAN MIGRATION. THE GOAL OF THIS RESEARCH WORKING GROUP IS TO DEVELOP A SYNTHETIC MODEL OF THE RELATIONSHIP BETWEEN MIGRATION AND HUMAN SECURITY THAT CAN ASSIST IN THE DEVELOPMENT OF MORE HUMANE AND SUSTAINABLE MIGRATION POLICIES.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since June 2002.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.