Walden Sierra Corporation

Private foundation Leonardtown, MD EIN: 52-1267498

Walden wise convenes and facilitates a community of champions dedicated to designing the lives of our children in alignment with their social, psychological, and neural development.

Walden Sierra Corporation at a glance

Total assets
$2,944,409
-11.0% vs 2024
Revenue (2025)
$276,021
+37.7% vs 2024
Qualifying distributions (2025)
$512,819
Expenses (2025)
$1,014,902
+56.4% vs 2024
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026.

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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,944,409$276,021$1,014,902$512,819$204,178$149,822
2024$3,307,470$200,452$648,775—$200,452—
2023$3,407,895$-222,656$575,984—$-222,656—
2022$3,745,782$-599,546$506,696—$-599,546—
2021$4,911,780$101,936$552,298—$101,936—
2020$5,364,009$166,789$471,611—$59,332—
2019$5,678,576$5,873,788$2,429,607—$3,661,386—

Under IRS private-foundation payout rules, Walden Sierra Corporation reported a distributable amount of $150K for 2025 — the minimum it must pay out in qualifying distributions.

About Walden Sierra Corporation

Based on IRS filings

Walden Sierra Corporation is a private foundation focused on Mental Health & Crisis Intervention, based in Leonardtown, MD. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $2.9M in total assets. In 2025, it made $513K in qualifying distributions. Net investment income was $204K.

Leadership & Key People

Officers and directors from IRS filings

Walden Sierra Corporation is led by Kathleen O'Brien PhD, CEO on every filing since 2019; 1 of 8 officers listed in 2025 is compensated.

Officers on the 2025 filing

  • Kathleen O'Brien PhD

    CEO

    On filings since 2019

    40 hrs/week

    $181K (2019) → $170K (2025)

  • Daniel Ichniowski

    Chairman

    President → Chairman, 2020

    On filings since 2019

    1 hr/week

    No compensation reported

  • Betsy Bossart

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Daniel McFarland

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Nondie Hephill JD

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Kelsey Bush

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Miranda Russell

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Harry S. Lancaster

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

Former officers (8)
  • Former: Sadie Smith (2020–2022) — Director
  • Former: Mark O'Brien JD (2020–2021) — Secretary & Treasurer
  • Former: Elena Jimenez (2019) — Director
  • Former: Floyd Warren (2019) — Director
  • Former: Jane Sypher (2019) — Vice President
  • Former: Jay Duke (2019) — Director
  • Former: Julie Randall (2019) — Treasurer
  • Former: Susan Smith (2019) — Secretary

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

Kathleen O'Brien PHD — CEO: $170KKathleen O'Brien PHDCEO$170K

The highest reported compensation on the 2025 filing was $170K, to Kathleen O'Brien PHD (CEO).

Frequently asked questions about Walden Sierra Corporation

How large is Walden Sierra Corporation?

Walden Sierra Corporation reported $2.9M in total assets on its 2025 IRS Form 990-PF. It paid out $513K in qualifying distributions that year, against a required minimum of $150K (roughly 5% of its investment assets).

What is Walden Sierra Corporation?

Walden Sierra Corporation is a private foundation focused on Mental Health & Crisis Intervention, based in Leonardtown, MD. It holds $2.9M in total assets as of 2025.

What is Walden Sierra Corporation's EIN?

Walden Sierra Corporation's EIN (Employer Identification Number) is 52-1267498. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated October 2026. Sourced from IRS Form 990 filings.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS May 17, 2021)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Walden Sierra Corporation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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