Prospect Sierra School
Donations deductibleProspect Sierra School's network
15 people9 organisationsi15 people and 9 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (15). Violet dotted lines (9) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.The board
15 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations in the tables. The network map shows same-name matches as likely links only, never as confirmed.Time served and departures are observed across annual filings. Observed time served is a lower bound - a member may have joined before the first year on record. The organisation reported 16 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.| Name | Role as filed | Since | On the board |
|---|---|---|---|
| Denise Yamamoto Chair | Chair | 2018 | 8 yrs |
| Brad Perkins | Trustee | 2024 | 2 yrs |
| Cory Elliott | Trustee | 2023 | 3 yrs |
| Delphine Sherman | Treasurer | 2019 | 7 yrs |
| Denise Thomas | Trustee | 2024 | 2 yrs |
| Emily Bruce | Trustee | 2021 | 5 yrs |
| Jennifer Morgan | Company secretary | 2018 | 8 yrs |
| Jorge Palacios | Trustee | 2023 | 3 yrs |
| Keedra McNeil-Sales | Trustee | 2022 | 4 yrs |
| Markus Mullarkey | Trustee | 2024 | 2 yrs |
| Rebecca Meyer | Trustee | 2024 | 2 yrs |
| Ruth Bissell | Trustee | 2018 | 8 yrs |
| Tesha McCord POE | Trustee | 2022 | 4 yrs |
| Ulrike Malmendier | Trustee | 2023 | 3 yrs |
| Yohance Edwards | Trustee | 2019 | 7 yrs |
Officers and senior leadership
21 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.| Name | Title as filed | On the filings |
|---|---|---|
| Abigail Guinn | Elementary School Division | since 2018 |
| Britt Anderson | Director of Equity & Inclusion | 2021 |
| Elizabeth Clark | Director of Development | since 2021 |
| Elizabeth Hollendoner | Director of Development | 2019 |
| Gregory Engel | CFO | 2020 |
| Heather Rogers | Middle School Division Hea | since 2018 |
| Katherine Dinh | School Head | since 2018 |
| Katherine Dinh January - June | School Head | 2020 |
| Mark Basnage | Director of Technology & I | since 2018 |
| Mary Denardo | Director of Communications | 2021 |
| Nathan Tanaka | Middle School Division Head | since 2020 |
| Nicholas Hernandez | Physical Education Teacher | since 2018 |
| Nicolas Hernandez | Middle School Physical Education Teacher | 2024 |
| Nisa Frank | School Head | since 2021 |
| Nisa Frank July - December | School Head | 2020 |
| Peggy Snyder | Business Officer | since 2018 |
| Quise Rodriguez Edwards | Elementary Division Head | 2024 |
| Renee Thompson | Director of Enrollment & Outreach | since 2018 |
| SOO ZEE Park | CFO | since 2021 |
| Steven J Harrington | Facilities Manager | since 2018 |
| Tom Wadbrook | Director of Technology | 2024 |
Pay and hours
year to 30 June 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.| Name | Title as filed | Hours a week | Pay from the organisation | Related organisations | Other |
|---|---|---|---|---|---|
| Nisa Frank | School Head | 40 | $375k | $28k | |
| Soo Zee Park | CFO | 40 | $242k | $21k | |
| Abigail Guinn | Assoc Head of Prog & Prof Dev | 40 | $189k | $29k | |
| Nathan Tanaka | Middle School Division Head | 40 | $165k | $26k | |
| Quise Rodriguez Edwards | Elementary Division Head | 40 | $163k | $15k | |
| Renee Thompson | Director of Enrollment & O | 40 | $158k | $25k | |
| Elizabeth Clark | Director of Development | 40 | $153k | $25k | |
| Steven Harrington | Director of Facilities | 40 | $148k | $19k | |
| Tom Wadbrook | Director of Technology | 40 | $145k | $19k | |
| Mary Denardo | Dir of Communications & Partnerships | 40 | $124k | $23k | |
| Markus Mullarkey | Treasurer | 2 | $0 | ||
| Cory Elliott | Trustee | 1 | $0 | ||
| Kelly Smith | Trustee | 1 | $0 | ||
| Kim Almeida | Trustee | 1.5 | $0 | ||
| Ruth Bissell | Trustee | 1 | $0 | ||
| Denise Yamamoto | Chair | 4 | $0 | ||
| Tesha McCord Poe | Trustee | 1 | $0 | ||
| Ulrike Malmendier | Trustee | 1 | $0 | ||
| Janella Jones | Trustee | 1 | $0 | ||
| Kota Tabuchi | Trustee | 1 | $0 | ||
| Brad Perkins | Secretary | 2 | $0 | ||
| Jorge Palacios | Trustee | 1 | $0 | ||
| Rebecca Meyer | Trustee | 1 | $0 | ||
| Dana Nelson-Isaacs | Trustee | 1.5 | $0 | ||
| Denise Thomas | Trustee | 1 | $0 |
About
- Legal name
- Prospect Sierra School
- EIN
- 942940144
- Address
- 960 Avis Dr, El Cerrito, CA, 94530-2943
- State
- California
- Mission
- To educate children in grades transitional kindergarten - 8th. Prospect sierra combines impactful academic experiences with a keen understanding of human emotions to help shape the world's compassionate future leaders. Prospect sierra inspires and equips students to create a more inclusive and just world through deep and meaningful intellectual engagement, self-knowledge, and care for... (as filed on the Form 990)
- Activity (NTEE)
- Z99Z Unknown
- IRS classification
- 501(c)03 (tax-exempt under section 501(c)(3) where shown)
- Classified purpose
- Unknown
- Size band
- 8 (IRS master file code)
- Formed
- 1981
- Principal officer
- Nisa Frank (as named on the Form 990)
- IRS ruling date
- 1 February 1998
- Status
- Code 01 (unconditional exemption)
- Form 990 filings on record
- 7, latest 2024
- IRS Publication 78
- PC (contributions deductible)
Most connected
Longest observed on the filings
≥8years on the filingsDenise Yamamoto
≥8years on the filingsJennifer Morgan
≥8years on the filingsRuth Bissell
≥7years on the filingsDelphine Sherman
Latest return
year to 30 June 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 30 June 2025. US dollars, as filed.- Total assets
- $31.7m
- Total liabilities
- $16.8m
- Net assets or fund balances
- $14.9m
- Contributions and grants received
- $2.8m
- Program service revenue
- $17m
- Grants and similar paid out
- $3.4m
- Employees
- 158
- Volunteers
- 40