California Independent System Operator Corporation
Folsom, CA · EIN 94-3274043 · Public and societal benefit · Rank 2,261 by total revenue
California iso corporation's mission statement has been included on schedule o.
Money, Form 990 for tax year 2024
- Total revenue
- $285,941,806
- Total expenses
- $292,763,479
- Total assets
- $1,523,256,943
- Salary base (all salaries and wages)
- $150,720,394
- Salaries, other pay and benefits
- $188,924,516
- Employees
- 788
- Salary base per employee
- $191,270
"Salary base" is Form 990 Part IX lines 5 to 7. "Employees" is everyone who got a W-2 that year, full or part time. Form 990-EZ and 990-PF report pay differently; see About the data.
Leadership (18)
| Name | Title | Role | Hours/week | Total pay |
|---|---|---|---|---|
| Elliott Mainzer | PRESIDENT & CEO | Officer | 40 | $2,308,710 |
| Mark Rothleder | SR VP & CHIEF OPERATING OFF. | Officer | 40 | $1,689,879 |
| Roger Collanton | VP, GEN. CNSL. & CHIEF COMP. OFF. | Officer | 40 | $1,054,358 |
| Ryan Seghesio | VP, CHIEF FINANCIAL OFF. & TREASURER | Officer | 40 | $999,639 |
| Stacey Crowley | VP, EXTERNAL AFFAIRS | Officer | 40 | $928,181 |
| Anna McKenna | VP, MARKET DESIGN & ANALYSIS | Officer | 40 | $926,644 |
| Jodi Ziemathis | VP, HUMAN RESOURCES | Officer | 40 | $920,686 |
| Neil Millar | VP, INFRASTRUCTURE & OPS PLANNING | Officer | 40 | $919,172 |
| Khaled Abdul-Rahman | VP, POWER SYSTEMS & MKT TECHNOLOGY | Officer | 40 | $852,949 |
| Dede Subakti | VP, SYSTEM OPERATIONS | Officer | 40 | $775,060 |
| Joanne Serina | VP, STAKEHOLDER ENGAGEMENT | Officer | 40 | $704,226 |
| Eric Hildebrandt | EXEC. DIR., MARKET MONITORING | Key employee | 40 | $549,627 |
| Hugo Frech | EXEC DIR., IT IFS. ARC. & INFO SEC. | Key employee | 40 | $479,930 |
| Angelina Galiteva | BOARD OF GOVERNORS | Board | 8 | $93,000 |
| Mary Leslie | BOARD OF GOVERNORS | Board | 8 | $92,500 |
| Joseph Eto | VICE CHAIR | Board | 8 | $91,500 |
| Severin Borenstein | CHAIR | Board | 8 | $89,500 |
| Jan Schori | BOARD OF GOVERNORS | Board | 8 | $83,500 |
Top 10 paid people listed
These 10 people received $11,375,278, which is 7.5% of the $150,720,394 salary base shared by 788 employees.
| Name | Title | Role | Hours/week | From this org | From related orgs | Other pay | Total |
|---|---|---|---|---|---|---|---|
| Elliott Mainzer | PRESIDENT & CEO | Officer | 40 | $2,088,685 | $0 | $220,025 | $2,308,710 |
| Mark Rothleder | SR VP & CHIEF OPERATING OFF. | Officer | 40 | $1,486,414 | $0 | $203,465 | $1,689,879 |
| Roger Collanton | VP, GEN. CNSL. & CHIEF COMP. OFF. | Officer | 40 | $900,539 | $0 | $153,819 | $1,054,358 |
| Ryan Seghesio | VP, CHIEF FINANCIAL OFF. & TREASURER | Officer | 40 | $859,314 | $0 | $140,325 | $999,639 |
| Stacey Crowley | VP, EXTERNAL AFFAIRS | Officer | 40 | $805,977 | $0 | $122,204 | $928,181 |
| Anna McKenna | VP, MARKET DESIGN & ANALYSIS | Officer | 40 | $786,029 | $0 | $140,615 | $926,644 |
| Jodi Ziemathis | VP, HUMAN RESOURCES | Officer | 40 | $779,475 | $0 | $141,211 | $920,686 |
| Neil Millar | VP, INFRASTRUCTURE & OPS PLANNING | Officer | 40 | $815,105 | $0 | $104,067 | $919,172 |
| Khaled Abdul-Rahman | VP, POWER SYSTEMS & MKT TECHNOLOGY | Officer | 40 | $721,409 | $0 | $131,540 | $852,949 |
| Dede Subakti | VP, SYSTEM OPERATIONS | Officer | 40 | $656,944 | $0 | $118,116 | $775,060 |
Sources
- IRS e-file return 202503149349302035 (Form 990, period ending 2024-12-31): readable copy at ProPublica Nonprofit Explorer
- IRS Tax Exempt Organization Search for EIN 94-3274043
- Organization website (as filed): www.caiso.com