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Open Stewardship Foundation

  • Los Angeles, CA
  • Tax-exempt since July 2013
  • EIN: 45-3682002

Organization summary

Type of Nonprofit

Designated as a Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Philanthropy, Voluntarism and Grantmaking Foundations / Private Grantmaking Foundations (NTEE)

Donations to this organization are tax deductible.

Summary charts: organization finances over time

Revenue
$2.26M (2024)

Expenses
$594k (2024)

Total Assets
$10.1M (2024)

Total Liabilities
$0 (2024)

Source: Form 990 tax filings from 2012 to 2024

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2024

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$2,255,207
Expenses
$593,810
Net Income
$1,661,397
Net Assets
$10,109,569
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $2,255,207
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $593,810
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $10,109,569
Total Liabilities $0
Net Assets $10,109,569
Compensation
Key Employees and Officers Compensation Other
Brian Choi (Chairman) $0 $0
Ernest Dow (Director) $0 $0
Min J Kim (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Christine Oh (President) $0 $0
Jaehyun Park (Cfo) $0 $0
Jaehwan Seong (Secretary) $0 $0
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Document Links

990-PF
Filed on Oct. 3, 2025

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$3,278,891
Expenses
$546,955
Net Income
$2,731,936
Net Assets
$8,448,172
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $3,278,891
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $546,955
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $8,448,172
Total Liabilities $0
Net Assets $8,448,172
Compensation
Key Employees and Officers Compensation Other
Brian Choi (Chairman) $0 $0
Ernest Dow (Director) $0 $0
Min J Kim (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Christine Oh (President) $0 $0
Jaehyun Park (Cfo) $0 $0
Jaehwan Seong (Secretary) $0 $0
+ View more people

Document Links

990-PF
Filed on June 27, 2024

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$2,769,465
Expenses
$348,338
Net Income
$2,421,127
Net Assets
$5,716,236
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $2,769,465
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $345,776
99.3%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $5,716,236
Total Liabilities $0
Net Assets $5,716,236
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Director) $0 $0
Susan Park (Director) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director (Until 4/25/2022)) $0 $0
Soo Hun Jung (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Brian Choi (Chairman) $0 $0
+ View more people

Document Links

990-PF
Filed on Nov. 7, 2023

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$1,240,564
Expenses
$345,446
Net Income
$895,118
Net Assets
$3,295,109
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $1,240,564
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $340,224
98.5%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,295,109
Total Liabilities $0
Net Assets $3,295,109
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Director) $0 $0
Susan Park (Director) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Brian Choi (Chairman) $0 $0
+ View more people

Document Links

990-PF
Filed on April 8, 2022

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$1,441,732
Expenses
$1,399,776
Net Income
$41,956
Net Assets
$2,399,990
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $1,441,732
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $1,399,776
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $2,399,991
Total Liabilities $1
Net Assets $2,399,990
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Jaehyun Park (Chief Financial Officer) $0 $0
Jay Jehwan Seong (Secretary) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Director) $0 $0
Susan Park (Director) $0 $0
Brian Choi (Chairman) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Yong Sin Shin (Director) $0 $0
+ View more people

Document Links

990-PF
Filed on May 14, 2021

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$1,241,017
Expenses
$343,112
Net Income
$897,905
Net Assets
$2,358,034
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $1,241,017
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $343,112
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $2,358,035
Total Liabilities $1
Net Assets $2,358,034
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Jaehyun Park (Chief Financial Officer) $0 $0
Jay Jehwan Seong (Secretary) $0 $0
Ernest Dow (Chairman) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Director) $0 $0
Susan Park (Director) $0 $0
Brian Choi (Director) $0 $0
+ View more people

Document Links

990-PF
Filed on May 15, 2020

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$731,710
Expenses
$333,056
Net Income
$398,654
Net Assets
$1,460,130
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $731,710
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $333,056
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $1,460,130
Total Liabilities $0
Net Assets $1,460,130
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Jaehyun Park (Chief Financial Officer) $0 $0
Jay Jehwan Seong (Secretary) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Director) $0 $0
Susan Park (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Brian Choi (Chairman) $0 $0
+ View more people

Document Links

990-PF
Filed on April 25, 2019

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$750,701
Expenses
$293,724
Net Income
$456,977
Net Assets
$1,061,476
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $750,701
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $283,939
96.7%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $1,061,476
Total Liabilities $0
Net Assets $1,061,476
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Jaehyun Park (Chief Financial Officer) $0 $0
Jay Jehwan Seong (Secretary) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Chairwoman) $0 $0
Susan Park (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Brian Choi (Chairman) $0 $0
+ View more people

Document Links

990-PF
Filed on May 4, 2018

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$525,928
Expenses
$414,304
Net Income
$111,624
Net Assets
$604,499
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $525,928
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $366,805
88.5%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $604,499
Total Liabilities $0
Net Assets $604,499
Compensation
Key Employees and Officers Compensation Other
Christine Oh (President) $0 $0
Jaehyun Park (Chief Financial Officer) $0 $0
Jay Jehwan Seong (Secretary) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Chairwoman) $0 $0
Susan Park (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Brian Choi (Chairman) $0 $0
+ View more people

Document Links

990-PF
Filed on May 1, 2017

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$792,385
Expenses
$311,470
Net Income
$480,915
Net Assets
$492,875
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $792,385
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $311,470
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $492,875
Total Liabilities $0
Net Assets $492,875
Compensation
Key Employees and Officers Compensation Other
Brian Choi (Chairman) $0 $0
Ernest Dow (Director) $0 $0
Jason Hwang (Director) $0 $0
Soo Hun Jung (Director) $0 $0
Min J Kim (Director) $0 $0
Ock Hee Kim (Director) $0 $0
Susan Park (Director) $0 $0
Yong Sin Shin (Director) $0 $0
Christine Oh (President) $0 $0
Jaehyun Park (Chief Financial Officer) $0 $0
Jay Jehwan Seong (Secretary) $0 $0
+ View more people

Document Links

990-PF
Filed on May 2, 2016

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$341,000
Expenses
$329,705
Net Income
$11,295
Net Assets
$11,960
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $341,000
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $329,705
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $11,960
Total Liabilities $0
Net Assets $11,960
Compensation
Key Employees and Officers Compensation Other
Min Kim (Board Member) $0 $0
Ock Hee Kim (Board Member) $0 $0
Susan Park (Board Member) $0 $0
Yong Sin Shin (Board Member) $0 $0
Christine Oh (President) $0 $0
Kathi Duncan (Cfo) $0 $0
Jackie Shin (Secretary) $0 $0
+ View more people

Document Links

990-PF
Filed on May 12, 2015

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2013

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$229,000
Expenses
$229,525
Net Income
-$525
Net Assets
$665
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $229,000
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $229,525
100%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $665
Total Liabilities $0
Net Assets $665
Compensation
Key Employees and Officers Compensation Other
Min Kim (Board Member) $0 $0
Ock Hee Kim (Board Member) $0 $0
Susan Park (Board Member) $0 $0
Yong Sin Shin (Board Member) $0 $0
Christine Oh (President) $0 $0
Kathi Duncan (Cfo) $0 $0
Jackie Shin (Secretary) $0 $0
+ View more people

Document Links

990-PF
Filed on May 14, 2014

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$2,982
Expenses
$157,132
Net Income
-$154,150
Net Assets
$1,190
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $2,982
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $10,132
6.4%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $1,190
Total Liabilities $0
Net Assets $1,190

No Document Links

The IRS has provided extracted financial data for this filing, but has not yet released the source documents.

Fiscal Year Ending Dec.
2011

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

About This Data

What Is This Data?

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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Nonprofit Explorer

Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more. Search for an organization or a person, or search the full text of filings.

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E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

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