Nonprofit · EIN 82-2760651
ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS
Tax-exempt · SAN FRANCISCO, CA 94141
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $639,846 | $129,603 | $510,243 | $663,534 | $20,653 | $642,881 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $8,425
- Membership dues
- $8,425
- Program service revenue
- $631,421
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $38,323
- Salaries, compensation and benefits (total)
- $53,064
- Professional fundraising fees
- $0
- Legal fees
- $1,288
- Accounting fees
- $1,120
- Program services (functional)
- $109,038
- Management and general (functional)
- $20,565
Balance sheet and other
- Total assets, start of year
- $132,638
- Total assets, end of year
- $663,534
- Total liabilities, end of year
- $20,653
- Net assets, end of year
- $642,881
- Net assets without donor restrictions
- $642,881
- Gross receipts
- $639,846
- Employees
- 0
- Volunteers
- 20
- Year formed
- 2017
- State of legal domicile
- VA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BILL HERETH | CHAIR Trustee or director, Officer | 2 | $0 |
| LISA ZORN | TREASURER Trustee or director, Officer | 4 | $0 |
| SIJIA WANG | SECRETARY Trustee or director, Officer | 2 | $0 |
| XUESONG ZHOU | BOARD MEMBER Trustee or director | 2 | $0 |
| XINBO MI | BOARD MEMBER Trustee or director | 2 | $0 |
| AMANDA STATHOPOULOS | BOARD MEMBER Trustee or director | 2 | $0 |
| PETER BOSA | BOARD MEMBER Trustee or director | 2 | $0 |
| JASON HAWKINS | BOARD MEMBER Trustee or director | 2 | $0 |
| JOE CASTIGLIONE | EXECUTIVE DIRECTOR Officer | 25 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 410181, SAN FRANCISCO, CA 94141-0181
- In care of
- % CLINT DANIELS
- Principal officer (990 for 2025)
- JOE CASTIGLIONE, PO BOX 410181, SAN FRANCISCO, CA 94141
- Signed the 990
- JOE CASTIGLIONE, EXECUTIVE DIRECTOR
- Phone
- (617) 251-5111
- Website
- zephyrtransport.org
- 990-N for 2024 filed under this EIN
- Most likely by a chapter, club or affiliate (it says receipts are normally $50,000 or less). Officer: Lisa Zorn, 685 Florida Street 1, San Francisco CA 94110. Mailing address: PO BOX 410181, San Francisco CA 94141. Website: https://zephyrtransport.org/
- Return prepared by
- EASY OFFICE DBA JITASA
California records
California keeps its own records of charities and corporations. Search them by EIN 82-2760651 or by the name ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
ZEPHYR'S MISSION IS TO ADVANCE RIGOROUS TRANSPORTATION AND LAND USE DECISION-MAKING FOR THE PUBLIC GOOD BY ADVOCATING FOR AND SUPPORTING IMPROVED TRAVEL ANALYSIS, AND FACILITATING ITS IMPLEMENTATION.
Program accomplishments
- ACTIVITY SIM - THE MISSION OF THE ACTIVITYSIM PROJECT IS TO CREATE AND MAINTAIN ADVANCED, OPEN-SOURCE, ACTIVITY-BASED TRAVEL BEHAVIOR MODELING SOFTWARE BASED ON BEST SOFTWARE DEVELOPMENT PRACTICES. THE ACTIVITYSIM PROJECT IS LED BY A CONSORTIUM OF METROPOLITAN PLANNING ORGANIZATIONS (MPOS) AND OTHER TRANSPORTATION PLANNING AGENCIES, WHICH PROVIDES TECHNICAL DIRECTION AND RESOURCES TO SUPPORT PROJECT DEVELOPMENT.Expenses $87,305 · revenue $527,900
- TIMP - THE GOAL OF THE TMIP COMMUNITY OF PRACTICE IS TO PROVIDE TECHNICAL RESOURCES AND FACILITATE COMMUNITY BUILDING FOR THE TRAVEL DEMAND FORECASTING PROFESSIONALS THROUGH THE COMMUNITY OF PRACTICE (COP) PORTAL. THE TMIP COP SEEKS TO ADVANCE THE STATE OF THE PRACTICE OF TRAVEL MODELING BY ADVANCING RESEARCH AND BUILDING THE TECHNICAL CAPABILITIES OF AN ARRAY OF STAKEHOLDERS, INCLUDING REGIONAL PLANNING AGENCIES, STATE DEPARTMENT OF TRANSPORTATION (DOT), UNIVERSITIES, NONPROFITS AND PRIVATE SECTORS.Expenses $12,457 · revenue $33,550
- MODELING MOBILITY (MOMO) - THE MODELING MOBILITY CONFERENCE IS A PRIMARY FORUM IN THE US FOR PRACTITIONERS, RESEARCHERS, STUDENTS, AND ALL INVOLVED IN DEVELOPING AND WORKING WITH TRAVEL MODELS, TRANSPORTATION DATA, AND QUANTITATIVE ANALYSIS. THIS CONFERENCE EMPHASIZES ADVANCING ANALYTICAL SUPPORT FOR REAL-WORLD TRANSPORTATION DECISIONS AND FOSTERING A STRONG COMMUNITY THROUGH INTERACTIVE WORKSHOPS, SESSIONS, AND NETWORKING OPPORTUNITIES.Expenses $8,709 · revenue $69,971
- OTHER PROGRAMS - GENERAL PROGRAMS - THE GOAL OF THE DMDU PROJECT IS TO PROMOTE A BROAD UNDERSTANDING OF PRACTICAL APPROACHES TO EFFECTIVELY INFORM DECISION-MAKERS FACED WITH UNCERTAINTY UNDERPINNING BASELINE ASSUMPTIONS IN TRAVEL FORECASTING AND PLANNING. THE GOAL OF THE GMNS PROJECT IS MEANT TO FIND COMMON GROUND IN TWO RELATED PROBLEM SPACES: AGENCY STAFF WHO NEED TO MANAGE NETWORKS (INCLUDING APPLYING PROJECTS AND MANAGING SCENARIOS), AND ACADEMIC RESEARCHERS WHO NEED TO MANAGE NETWORKS FOR RESEARCH. THE GOAL OF THE OPEN SCIENCE INITIATIVE IS TO RECOGNIZE OPEN AND REPRODUCIBLE RESEARCH, AND TO INCENTIVIZE AUTHORS TO ARCHIVE AND SHARE DATA, CODE, AND MODELS ASSOCIATED WITH THEIR RESEARCH ARTICLES BY AWARDING.Expenses $567
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 82-2760651
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2019
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Human services (P20)
- Assets (IRS master file)
- $663,534
- Income (IRS master file)
- $639,846
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $639,846 | $129,603 | $663,534 | XML |
| 990-N for 2024 Officer: Lisa Zorn Filed under this EIN, most likely by a chapter or affiliate | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Lisa Zorn Filed under this EIN, most likely by a chapter or affiliate | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2021 Officer: Lisa Zorn Filed under this EIN, most likely by a chapter or affiliate | December 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Rosella Picado Filed under this EIN, most likely by a chapter or affiliate | December 31, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Rosella Picado Filed under this EIN, most likely by a chapter or affiliate | December 31, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 82-2760651).
Questions about ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS
- What is the EIN of ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS?
- The employer identification number (EIN) of ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS is 82-2760651.
- Is ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
- Are donations to ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS?
- The 990 for the year ended December 31, 2025 names JOE CASTIGLIONE.
- Who are the officers and directors of ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS?
- The 990 for the year ended December 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does ZEPHYR FOUNDATION FOR ADVANCING TRAVEL ANALYSIS METHODS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $639,846, expenses of $129,603 and total assets of $663,534 at year end.
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