Nonprofit · EIN 46-3994587
EXTRACORPOREAL LIFE SUPPORT ORGANIZATION
Also known as ELSO
Tax-exempt · ANN ARBOR, MI 48103
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $6,372,240 | $5,903,560 | $468,680 | $8,867,103 | $2,271,027 | $6,596,076 |
| December 31, 2024 | 990 | $5,990,648 | $5,923,743 | $66,905 | $8,283,775 | $2,393,824 | $5,889,951 |
| December 31, 2023 | 990 | $5,260,063 | $4,460,086 | $799,977 | $8,127,178 | $2,422,639 | $5,704,539 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $6,134
- Program service revenue
- $5,941,904
- Investment income
- $258,776
- Net gain from sales of assets
- $85,053
- Net income from sales of inventory
- $165,426
- Other revenue
- $165,426
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $631,066
- Other salaries and wages
- $353,894
- Salaries, compensation and benefits (total)
- $1,170,250
- Professional fundraising fees
- $0
- Accounting fees
- $128,819
- Occupancy
- $210,830
- Travel
- $422,935
- Depreciation
- $49,679
- Program services (functional)
- $5,300,313
- Management and general (functional)
- $603,247
Balance sheet and other
- Total assets, start of year
- $8,283,775
- Total assets, end of year
- $8,867,103
- Total liabilities, end of year
- $2,271,027
- Net assets, end of year
- $6,596,076
- Land, buildings and equipment
- $257,693
- Publicly traded securities
- $4,012,243
- Net assets without donor restrictions
- $6,574,421
- Net assets with donor restrictions
- $21,655
- Gross unrelated business income
- $85,053
- Gross receipts
- $6,890,997
- Employees
- 6
- Volunteers
- 751
- Year formed
- 2014
- State of legal domicile
- MI
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Christine Stead | CEO Officer | 40 | $318,564 | $30,316 |
| Peter Rycus | Executive Director Officer | 40 | $257,933 | $24,253 |
| Alex Fox | Senior Project Manager Highest-paid employee | 40 | $100,341 | $28,329 |
| Pearl O'Rourke | Director Trustee or director | 2 | $0 | $0 |
| Daniel Brodie | President Trustee or director, Officer | 4 | $0 | $0 |
| Peta Alexander | Director Trustee or director | 4 | $0 | $0 |
| Jay Shiland JD | Treasurer Trustee or director, Officer | 2 | $0 | $0 |
| Elizabeth Maringer JD | Director Trustee or director | 2 | $0 | $0 |
| Graeme MacLaren MD | Director Trustee or director | 4 | $0 | $0 |
| Susanna Price | Director Trustee or director | 2 | $0 | $0 |
| Thomas Mueller | Global Rep. Trustee or director | 3 | $0 | $0 |
| Ryan Barbaro | Director Trustee or director | 3 | $0 | $0 |
990 for the year ended December 31, 2024: 11 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Christine Stead | CEO Officer | 40 | $298,906 | $28,350 |
| Peter Rycus | Executive Director Officer | 40 | $242,206 | $22,680 |
| Alex Fox | Senior Project Manager Highest-paid employee | 40 | $106,078 | $22,031 |
| Matthew Paden MD | Past-President Trustee or director | 4 | $0 | $0 |
| Daniel Brodie | President-Elect Trustee or director | 2 | $0 | $0 |
| Peta Alexander | Treasurer Trustee or director, Officer | 3 | $0 | $0 |
| Jay Shiland JD | Director Trustee or director | 2 | $0 | $0 |
| Elizabeth Maringer JD | Director Trustee or director | 2 | $0 | $0 |
| Graeme MacLaren MD | President Trustee or director, Officer | 8 | $0 | $0 |
| Robert H Bartlett MD | Director Trustee or director | 2 | $0 | $0 |
| Thomas Mueller | Global Rep. Trustee or director | 2 | $0 | $0 |
990 for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CHRISTINE STEAD | CEO Officer | 40 | $283,896 | $26,923 |
| PETER RYCUS | EXECUTIVE DI Officer | 40 | $230,049 | $21,538 |
| MATTHEW PADEN MD | PAST-PRESIDE Trustee or director | 4 | $0 | $0 |
| DANIEL BRODIE | PRESIDENT-EL Trustee or director | 2 | $0 | $0 |
| THOMAS MUELLER | GLOBAL REP. Trustee or director | 2 | $0 | $0 |
| PETA ALEXANDER | TREAS. & SEC Trustee or director, Officer | 3 | $0 | $0 |
| JAY SHILAND JD | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ELIZABETH MARINGER JD | DIRECTOR Trustee or director | 2 | $0 | $0 |
| GRAEME MACLAREN MD | PRESIDENT Trustee or director, Officer | 8 | $0 | $0 |
| ROBERT H BARTLETT MD | DIRECTOR Trustee or director | 2 | $0 | $0 |
| RYAN BARBARO | DIRECTOR Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 3001 MILLER RD, ANN ARBOR, MI 48103-2122
- In care of
- % PETER RYCUS
- Principal officer (990 for 2025)
- Christine Stead, 3001 Miller Road, Ann Arbor, MI 48103
- Signed the 990
- Christine Stead, CEO
- Phone
- (734) 998-6601
- Website
- WWW.ELSO.ORG
- Return prepared by
- YEO & YEO PC
Mission
See Schedule O
Program accomplishments
- ELSO offers three types of membership: corporate, individual, and center membership. It is through our members that ELSO can advance knowledge, advocate for ECLS, and continue to innovate ECLS. In 2025, ELSO had ~750 center members from 67 countries. It is through our center members that patient run data is made available in the ELSO Registry. We maintain a commitment to high quality data in the ELSO Registry and a secure environment for the storage and retrieval of this data. Quality control checks are embedded in the ELSO Registry to ensure high quality data, and permissions to enter data are granted only after the successful completion of a data entry examination. Discounts are made available to members for other activities offered by ELSO, including purchasing books and registering for ELSO's annual conference.Expenses $737,888 · revenue $1,378,094
- ELSO is committed to providing high quality education and training for the entire ECLS practitioners physicians, nurses, respiratory therapists, and perfusionists. ELSO offers several education programs: a virtual program for providing didactic foundational knowledge for the adult and neo/peds patient populations. This is available globally with discounts available based on the resource ranking of the country of practice, as referenced to the World Bank Organization. In-person hands-on training is offered in two course options: simulation training and cannulation training. Simulation training is offered in a means that meets ELSO's Step 2 criteria for our individual certification program both in the adult and neo/peds populations. Cannulation training is for practitioners that will be providing this type of care related to ECMO in the clinical care setting. We provide in-person training for trainers to expand those running these courses throughout the world. ELSO endorses courses that meet our Step 1 and/or Step 2 criteria after careful evaluation of the program. Endorsed course certification is for three years, upon which term recertification can be available.Expenses $1,316,043 · revenue $1,655,523
- ELSO hosts an annual conference. In 2025, 1,870 people participated in our conference that was held in Washington DC at the Gaylord National Convention Center. Participation reflected a new record for us. This was also true for abstract submissions, with 380 submitted for scoring. Accepted abstracts are published in ASAIOJ and made available for free to our community. Abstracts are also presented at our conference. We were able to offer 2.5 days of scientific content and one full day of pre-conference material from 253 speakers. In addition to the scientific content, several working sessions and leadership meetings were held. This gathering is an important investment in our ability to share ideas, foster enthusiasm for our mission, and achieve our strategic goals.Expenses $1,921,304 · revenue $2,021,092
- ELSO launched a Bedside Guide App for the first time in 2025. This was a two-year investment in content development which is made available free on Apple and Google stores for remote devices (primarily smartphones). Our aim is to improve access to knowledge in a convenient manner that is responsive to today's practitioners. ELSO released the 5th Edition of our Training Manual during the conference. This work represents a significant update in content related to taking care of patients through ECLS. ~125 authors contributed to this work.We continue to expand the staff of the organization. In 2025, ELSO added one FTE to our team. Staff increase our capacity to deliver on our mission. In addition, ELSO is fortunate to work with many volunteers representing our centers on a global scale in a wide range of initiatives.Expenses $1,325,078 · revenue $887,195
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 46-3994587
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2015
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E19)
- Assets (IRS master file)
- $8,867,103
- Income (IRS master file)
- $6,890,997
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $6,372,240 | $5,903,560 | $8,867,103 | XML |
| 990 | December 2024 | $5,990,648 | $5,923,743 | $8,283,775 | XML |
| 990 | December 2023 | $5,260,063 | $4,460,086 | $8,127,178 | XML |
| 990 | December 2022 | $4,489,418 | $3,898,463 | $6,376,770 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 46-3994587).
Questions about EXTRACORPOREAL LIFE SUPPORT ORGANIZATION
- What is the EIN of EXTRACORPOREAL LIFE SUPPORT ORGANIZATION?
- The employer identification number (EIN) of EXTRACORPOREAL LIFE SUPPORT ORGANIZATION is 46-3994587.
- Is EXTRACORPOREAL LIFE SUPPORT ORGANIZATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
- Are donations to EXTRACORPOREAL LIFE SUPPORT ORGANIZATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does EXTRACORPOREAL LIFE SUPPORT ORGANIZATION file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of EXTRACORPOREAL LIFE SUPPORT ORGANIZATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did EXTRACORPOREAL LIFE SUPPORT ORGANIZATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of EXTRACORPOREAL LIFE SUPPORT ORGANIZATION?
- The 990 for the year ended December 31, 2025 names Christine Stead.
- Who are the officers and directors of EXTRACORPOREAL LIFE SUPPORT ORGANIZATION?
- The 990 for the year ended December 31, 2025 lists 12 people; 3 received compensation from the organization, the highest $318,564 (Christine Stead, CEO).
- How much revenue does EXTRACORPOREAL LIFE SUPPORT ORGANIZATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $6,372,240, expenses of $5,903,560 and total assets of $8,867,103 at year end.
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