- Revenue 2025
- $1,828,388
- Expenses 2025
- $1,483,357
Program services were 77.8% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.
As filed
- Subsection
- 03
- NTEE code
- C01
- Classification
- 1000
- Street
- 548 MARKET ST PMB 83811
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).
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.
-
Jonathan Klein
CEO & CoFounder
- Total calculated
- $338,246
- From this org
- $283,010
- From related orgs
- $0
- Other
- $55,236
- Hours/week
- 40
Schedule J breakdown matched by us
- Base
- $282,596
- Bonus
- not reported
- Other
- $414
- Deferred
- $9,033
- Nontaxable benefits
- $46,203
- Filer's total
- $338,246
-
Sarah Heine
Chief of Staff
- Total calculated
- $198,981
- From this org
- $165,349
- From related orgs
- $0
- Other
- $33,632
- Hours/week
- 40
Schedule J breakdown matched by us
- Base
- $165,079
- Bonus
- not reported
- Other
- $270
- Deferred
- $5,253
- Nontaxable benefits
- $28,379
- Filer's total
- $198,981
-
Sara Ross
CoFounder/Sctry
- Total calculated
- $66,003
- From this org
- $63,914
- From related orgs
- $0
- Other
- $2,089
- Hours/week
- 40
-
Greg Nelson
Treasurer
- Total calculated
- $0
- Hours/week
- 2
-
Emma Bloomberg
Director
- Total calculated
- $0
- Hours/week
- 2
-
Brenda Cassellius
Director
- 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 — 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
- $1,828,388
- Expenses
- $1,483,357
- Contributions
- $1,670,664
- Grants paid
- $0
-
2024
- Revenue
- $2,164,939
- Expenses
- $1,151,583
- Contributions
- $2,048,117
- Grants paid
- $0
-
2023
- Revenue
- $1,550,346
- Expenses
- $707,223
- Contributions
- $1,550,278
- Grants paid
- $0
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
-
$1,030,421
2023 Cambiar Ventures Innovation grant Cambiar serves as fiscal sponsor
-
$250,000
2024 GENERAL OPERATING SUPPORT
-
UNITED STATES ENERGY FOUNDATION
$200,000
2024 TO PROMOTE EDUCATION AND ANALYSIS TO ADVANCE ENERGY OPTIMIZATION.
-
SILICON VALLEY COMMUNITY FOUNDATION
$200,000
2024 Environment
-
$100,000
2024 ENVIRONMENTAL PROGRAMS
-
2024 For grant recipient's exempt purposes
-
$52,167
2024 HUMAN SERVICES
-
$50,000
2024 Innovation grant
-
$50,000
2024 DISCRETIONARY ISSUE AREA
-
$30,000
2024 IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE
The 10 largest by cash amount. The API serves every itemized grant.
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 10 September 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.