California Independent Petroleum Association
To promote the independent petroleum producers industry in California and the united states.
California Independent Petroleum Association at a glance
- Total assets
- $1,506,191
- -16.5% vs 2024
- Revenue (2025)
- $1,768,499
- -25.0% vs 2024
- Net investment income (2025)
- $236
- -95.2% vs 2024
- Expenses (2025)
- $2,083,256
- -17.7% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who California Independent Petroleum Association funds
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2020 it made 1 grant totaling $300K.
*2022: Covers 17 months (fiscal year-end changed).
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $1,506,191 | $1,768,499 | $2,083,256 | — | — | $236 |
| 2024 | $1,802,786 | $2,357,660 | $2,530,803 | — | — | $4,899 |
| 2023 | $2,080,992 | $3,175,759 | $2,721,786 | — | — | — |
| 2022* | $2,245,715 | $3,727,171 | $3,759,652 | — | — | — |
| 2021 | $2,062,844 | $3,604,741 | $2,819,266 | — | — | — |
| 2020 | $2,065,180 | $3,349,288 | $3,698,423 | $300,000 | 1 | — |
| 2019 | $2,183,682 | $3,345,387 | $3,324,232 | — | — | — |
*2022: Covers 17 months (fiscal year-end changed).
About California Independent Petroleum Association
Based on IRS filings
California Independent Petroleum Association is a public charity, based in Sacramento, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $1.5M in total assets. Net investment income was $236.
Leadership & Key People
Officers and directors from IRS filings
California Independent Petroleum Association is led by Rock Zierman, CEO on every filing since 2019; 4 of 36 officers listed in 2025 are compensated.
Officers on the 2025 filing
Rock Zierman
CEO
On filings since 2019
40 hrs/week
$249K (2019) → $334K (2025)
Jonathan Gregory
Chairman & Director
Director → Chairman & Director, 2025
On filings since 2020
5 hrs/week
No compensation reported
Brad Dewitt
Director
On filings since 2019
1 hr/week
No compensation reported
Charles Comfort
Director
On filings since 2019
1 hr/week
No compensation reported
Chris Hall
Secretary & Director
Los Angeles Vice President → Secretary & Director, 2025
On filings since 2019
3 hrs/week
No compensation reported
Christine Halley
Director
At-Large → Director, 2025
On filings since 2019
1 hr/week
No compensation reported
Craig Barto
La Vice President & Director
At-Large → Director, 2021
Director → La Vice President & Director, 2025
On filings since 2019
3 hrs/week
No compensation reported
David Rose
Director
On filings since 2019
1 hr/week
No compensation reported
Derek Jones
Director
On filings since 2019
1 hr/week
No compensation reported
Hormoz Ameri
Director
Immediate Past Chairman → Past Chairmen Committee Ch, 2023
Past Chairmen Committee Ch → Director, 2025
On filings since 2019
1 hr/week
No compensation reported
Jeff Cooper
Director
On filings since 2019
1 hr/week
No compensation reported
Jeff Smith
Director
On filings since 2019
1 hr/week
No compensation reported
Jerry W Reedy
Director
On filings since 2019
1 hr/week
No compensation reported
Joe Eller
Director
Director → Secretary, 2020
Secretary → Director, 2021
On filings since 2019
1 hr/week
No compensation reported
Joseph J Grigg Jr.
Director
On filings since 2019
1 hr/week
No compensation reported
Michael D Gooding
Director
Sj Division → At-Large, 2020
At-Large → Director, 2021
On filings since 2019
1 hr/week
No compensation reported
Randall Breitenbach
Co Vice President & Director
Cd Vice President → Co Vice President, 2022
Co Vice President → Co Vice President & Director, 2025
On filings since 2019
3 hrs/week
No compensation reported
Ryan Nielsen
Director
On filings since 2019
1 hr/week
No compensation reported
Stanford Eschner
Director
On filings since 2019
1 hr/week
No compensation reported
Stephen D Layton
Past Chairman & Director
Chairman → Past Chairman & Director, 2025
On filings since 2019
3 hrs/week
No compensation reported
Steven F Coombs
Director
On filings since 2019
1 hr/week
No compensation reported
Daniel Steward
Director
On filings since 2020
1 hr/week
No compensation reported
Mark Greenfield
Director
On filings since 2022
1 hr/week
No compensation reported
Aytom Salomon
Director
On filings since 2023
1 hr/week
No compensation reported
Bart LeFevre
Director
On filings since 2023
1 hr/week
No compensation reported
Bob Demos
Sj Vice President & Director
Nc Vice President → Sj Vice President & Director, 2025
On filings since 2023
3 hrs/week
No compensation reported
Rusty Risi
Director
On filings since 2023
1 hr/week
No compensation reported
Scott Faulkenburg
Director
On filings since 2023
1 hr/week
No compensation reported
Clif Simonson
Director
New on the 2025 filing
1 hr/week
No compensation reported
Kevin Ivey
Director
New on the 2025 filing
1 hr/week
No compensation reported
Klaus Hasbo
Director
New on the 2025 filing
1 hr/week
No compensation reported
Michael Umbro
Director
New on the 2025 filing
1 hr/week
No compensation reported
Scott Price
Director
New on the 2025 filing
1 hr/week
No compensation reported
Laura Wilkin
Vice President of Membershi
Director Members & Events → Vice President of Membership, 2022
Vice President of Membership → Vice President of Membershi, 2025
On filings since 2019
40 hrs/week
$128K (2020) → $143K (2025)
Sean M. Wallentine
Vice President Gov't Affair
Vice President Gov't Affairs → Vice President Gov't Affair, 2025
On filings since 2019
40 hrs/week
$128K (2019) → $210K (2025)
Kelley Countryman
Office Manager
On filings since 2022
40 hrs/week
$102K (2022) → $106K (2025)
Former officers (41)
- Former: Clifton Simonson (2019–2024) — Director
- Former: Sean Brake (2019–2024) — Treasurer
- Former: Ralph Combs (2020–2024) — Director
- Former: Mike Umbro (2023–2024) — Director
- Former: Wyatt Shipley (2023–2024) — Director
- Former: Brad Califf (2019–2022) — Director
- Former: Donald Macpherson (2019–2022) — Past Chairmen Committee Ch
- Former: Ray Watson (2019–2022) — Director
- Former: Rod Eson (2019–2022) — Nc Vice President
- Former: Wolf Regener (2019–2022) — Director
- Former: Amir Sardari (2020–2022) — Director
- Former: David Arias (2020–2022) — Director
- Former: Jermy Vanderziel (2020–2022) — Director
- Former: Joe Nahama (2020–2022) — Director
- Former: Johnny Jordan (2020–2022) — Director
- Former: Michael Mills (2020–2022) — Director
- Former: Michelle Pasini (2020–2022) — Director
- Former: Steve Nixon (2020–2022) — Director
- Former: Jason Marshall (2021–2022) — Director
- Former: Sara O'Neill Bouton (2021–2022) — Director
- Former: Adam Smith (2022) — Director
- Former: Peter W. Rivera (2019–2021) — Director Reg Affairs
- Former: Sabrina D. Lockhart (2019–2021) — Vice President Communications
- Former: Prindelle Thomas (2020–2021) — Vice President External Affair
- Former: Anibal Araya (2021) — Director
- Former: Bruce Webster (2019–2020) — Director
- Former: Chares Weiss (2019–2020) — At-Large
- Former: Lynne Carrithers (2020) — At-Large
- Former: Megan Silva (2020) — At-Large
- Former: Antonio D'amico (2019) — La Division
- Former: Bill Buss (2019) — Director
- Former: Bruce Berwager (2019) — Director
- Former: Chad Hathaway (2019) — Director
- Former: Guy Evangelista (2019) — Director
- Former: Joe Selgrath (2019) — Director
- Former: Kevin Tougas (2019) — Director
- Former: Kristen Kang (2019) — Director
- Former: Michael Ross (2019) — Director
- Former: Phillip Sorbet (2019) — Treasurer
- Former: Scott Corby (2019) — At-Large
- Former: Trent Rosenslieb (2019) — San Joaquin Vice President
Data from IRS Form 990 filings, 2019–2025. "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
The highest reported compensation on the 2025 filing was $334K, to Rock Zierman (CEO). 4 officers or directors reported compensation on that filing.
Frequently asked questions about California Independent Petroleum Association
How large is California Independent Petroleum Association?
California Independent Petroleum Association reported $1.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.8M.
Where does California Independent Petroleum Association operate?
California Independent Petroleum Association has awarded grants in California.
What is California Independent Petroleum Association's EIN?
California Independent Petroleum Association's EIN (Employer Identification Number) is 95-3048726. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2022 (received by the IRS July 19, 2023)
- Added Form 990 for fiscal year 2019 (received by the IRS January 28, 2020)
- Added Form 990 for fiscal year 2025 (received by the IRS August 25, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in California Independent Petroleum Association's focus areas in our free grants database
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California Independent Petroleum Association down — hundreds of funders to go?