The Thoracic Surgery Foundation logo

The Thoracic Surgery Foundation

Public charity · Grantmaker Chicago, IL EIN: 36-3635910 Website

The Thoracic Surgery Foundation (TSF) is a Chicago-based public charity that supports cardiothoracic surgery through research, education, innovation, and humanitarian outreach. Its programs include research awards, surgical training and educational opportunities, and funding for outreach in underserved areas.

The Thoracic Surgery Foundation at a glance

In short: The Thoracic Surgery Foundation gave $437K across 12 grants in 2024 (avg $36K), top state North Carolina. 25% of 2024 grantees were new. Source: 2024 IRS Form 990.

Annual giving (2024)
$437,200
-33.1% vs 2023
Grants made (2024)
12
+20.0% vs 2023
Average grant
$36,433
-44.2% vs 2023
Median grant
$35,000
Total assets
$11,401,896
+14.9% vs 2023
New grantees (estimate)
25% first-time grantees (3 of 12, 2024; small sample)
Primary geography
North Carolina (16% of itemized 2024 grant dollars)
Latest 990 filing
Form 990, 2024 View filing

Data from IRS Form 990, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Thoracic Surgery Foundation

Contact

Mailing address: 633 N St Clair Suite 2100, Chicago, IL 60611
Phone: (312) 202-5815
Website: https://thoracicsurgeryfoundation.org

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Thoracic Surgery Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Duke University: $70KDuke University$70KPeruvian American Medical Society: $37KPeruvian American MedicalSociety$37KDivine Will Foundation: $35KDivine Will Foundation$35KJames Whitcomb Riley Memorial Association Inc: $35KJames Whitcomb Riley MemorialAssociation Inc$35KRegents of the University of Minnesota: $35KRegents of the University ofMinnesota$35KThe University of Texas at Austin: $35KThe University of Texas atAustin$35KUniversity of Utah: $35KUniversity of Utah$35KUniversity of Washington: $35KUniversity of Washington$35KUPMC Pinnacle Foundation: $35KUPMC Pinnacle Foundation$35KVoom Foundation: $35KVoom Foundation$35K

The largest 2024 recipient was Duke University ($70K). Together the top 10 received $387K.

Grant Size Distribution

39 grants across all recorded years

29<$50K9$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 29 grants of 39 (74%).

Geographic Focus

Where this funder awards grants

The 2024 filing’s grant dollars were distributed among recipients in multiple states. The largest reported shares were North Carolina and Texas at 16% each, followed by California at 11%, New Mexico at 9%, and Indiana at 8%. The foundation’s website describes humanitarian outreach awards as supporting work in underserved areas around the world.

Grant Distribution by State

16states

Share of 2024 grant dollars across all 12 itemized grants.

Cities

AlbuquerqueCharlotteChicagoDuluthHarrisburgMinneapolisAustinCollege StationEncinitasIndianapolisMemphisMequonNew YorkBloomingtonDenverDetoritJacksonvilleSalt Lake CitySeattleUpland

Is The Thoracic Surgery Foundation open to new grantees?

25%

first-time grantees, 2024

In 2024, 3 of 12 grantees (25%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $28K; repeat grants $39K. How we count

Medians: $35K first-time, $35K repeat.

  • 67% of 2024 grantees were also funded in 2023. Method
  • Giving grew 212% from 2021 to 2024. Method

Estimate from itemized grant lists in IRS Form 990 filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K$800K7 grants2020 3 grants2021 7 grants2022 10 grants2023 12 grants2024

From 2020 to 2024, annual grant giving ranged from $140K (2021) to $653K (2023). In 2024 it made 12 grants totaling $437K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Duke University Charlotte, NCEvery Heart Beat Matters$70,000
Peruvian American Medical Society Albuquerque, NMEvery Heart Beat Matters$37,200
Divine Will Foundation Encinitas, CAEvery Heart Beat Matters$35,000
James Whitcomb Riley Memorial Association Inc Indianapolis, INEvery Heart Beat Matters$35,000
Regents of the University of Minnesota Minneapolis, MNEvery Heart Beat Matters$35,000
The University of Texas at Austin Austin, TXEvery Heart Beat Matters$35,000
University of Utah Salt Lake City, UTEvery Heart Beat Matters$35,000
University of Washington Chicago, ILEvery Heart Beat Matters$35,000
UPMC Pinnacle Foundation Harrisburg, PAEvery Heart Beat Matters$35,000
Voom Foundation College Station, TXEvery Heart Beat Matters$35,000
Your AI grants department

Ready to take the next step with The Thoracic Surgery Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

The foundation’s 2024 filing states that STS maintains its books and records and performs related managerial and administrative functions for compensation.

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2024$11,401,896$3,052,190$1,992,015$437,20012$237,331
2023$9,926,161$2,905,516$3,305,471$653,30010$172,461
2022$8,089,405$2,542,826$1,621,236$245,0007$-44,165
2021$7,716,279$3,432,295$1,131,926$140,0003$457,718
2020$5,251,287$1,400,211$1,108,220$257,0007$52,285

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

TSF states that its mission is to advance heart and lung health for all. Its granting pillars are research, education, innovation, and humanitarian outreach. Its programs include research awards for clinical, applied, and data-focused work; short-term traveling fellowships for surgeons; innovation awards; conference scholarships; and support for surgical outreach and training in underserved areas.

The foundation’s 2024 filing describes research awards, surgical outreach and educational awards, and other programs including awards recognizing women in cardiothoracic surgery, leadership scholarships, and a lecture award. The outreach and educational awards described in that filing include support for international surgical teams and volunteers, as well as conference scholarships for people from under-resourced institutions who treat underserved patients.

Among the 2024 grantees, the Peruvian American Medical Society describes its mission as improving medical education and cultural relations between Peru and the United States, and supporting programs to improve health and quality of life. The UPMC Pinnacle Foundation says it supports community benefit and education programs, hospital needs, and resources to improve access and care. Divine Will Foundation says it supports charitable programs in India providing free healthcare and education. James Whitcomb Riley Memorial Association says it raises funds for Riley Hospital for Children’s care and research. William Novick Global Cardiac Alliance describes its mission as providing life-saving care for children born with heart disease, guided by collaboration, education, innovation, and sustainability.

Grantmaking

In filing year 2024, TSF reported 12 grants totaling $437,200. Grant amounts ranged from $15,000 to $70,000, with a median of $35,000. All 12 itemized grants listed “EVERY HEART BEAT MATTERS” as their purpose. The largest grants were $70,000 to Duke University in Charlotte, North Carolina, and $37,200 to the Peruvian American Medical Society in Albuquerque, New Mexico. Ten other grants ranged from $15,000 to $35,000.

The foundation’s website describes research awards as supporting cardiothoracic surgeons’ research, education awards as providing short-term fellowships to learn surgical techniques, and humanitarian outreach awards as funding surgical trips and training in underserved areas. Its 2024 filing says research applications are evaluated and scored by three research committee reviewers specializing in thoracic surgery. The filing describes application materials including the applicant’s and mentor’s CVs, a research description, a photo, and three recommendation letters from institutional leaders or sponsors. Research funds are restricted to direct project expenses; the website excludes indirect expenses and fringe benefits. For multi-year research awards, the filing says subsequent payments follow submission of a valid progress report.

The TSF Research Award is described as providing up to $85,000 per year for up to two years to early-career cardiothoracic surgeons; its webpage says it is currently closed. The program listings also describe a Resident Research Fellowship of up to $60,000 per year for two years and a Nina Starr Braunwald Research Fellowship of up to $55,000 per year for two years. Those listings specify 80% protected research time for the trainee fellowships.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Joseph A. Dearani as president, Virginia R. Litle as vice president, Anthony L. Estrera as treasurer, and Juan A. Crestanello as secretary. Directors listed include Carolyn A. Dubeau, Edward P. Chen, Elaine E. Tseng, Emily A. Farkas, Gorav Ailawadi, and Jennifer C. Romano. The filing notes that Farkas and Romano began serving as directors on January 26, 2024.

The Thoracic Surgery Foundation is led by Lee A Wiensch, Executive Director since 2023 (on filings since 2022); none of the 18 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Lee A Wiensch

    Executive Director

    Executive Director - → Executive Director, 2023

    On filings since 2022

    40 hrs/week

    $27K (2022) → $0 (2024)

  • Joseph A Dearani

    President

    Director → Vice President -, 2021

    Vice President - → President, 2022

    On filings since 2020

    12 hrs/week

    No compensation reported

  • Scott A LeMaire

    Director

    Secretary - → Secretary, 2022

    Secretary → Director, 2023

    On filings since 2020

    4 hrs/week

    No compensation reported

  • Thomas E MacGillivray

    Director -

    Director → Director -, 2024

    On filings since 2020

    4 hrs/week

    No compensation reported

  • Vinod H Thourani

    Director -

    Director → Director -, 2024

    On filings since 2020

    4 hrs/week

    No compensation reported

  • Edward P Chen

    Director

    On filings since 2021

    4 hrs/week

    No compensation reported

  • Melanie A Edwards

    Director

    On filings since 2021

    4 hrs/week

    No compensation reported

  • Tom C Nguyen

    Director

    On filings since 2021

    4 hrs/week

    No compensation reported

  • Meena Nathan

    Director

    On filings since 2022

    4 hrs/week

    No compensation reported

  • Carolyn A Dubeau

    Director

    On filings since 2023

    4 hrs/week

    No compensation reported

  • Elaine E Tseng

    Director

    On filings since 2023

    4 hrs/week

    No compensation reported

  • Gorav Ailawadi

    Director

    On filings since 2023

    4 hrs/week

    No compensation reported

  • Karen M Kim

    Director

    On filings since 2023

    4 hrs/week

    No compensation reported

  • Emily A Farkas

    Director - Started

    New on the 2024 filing

    4 hrs/week

    No compensation reported

  • Jennifer C Romano

    Director - Started

    New on the 2024 filing

    4 hrs/week

    No compensation reported

  • Anthony L Estrera

    Treasurer

    Director → Treasurer, 2022

    On filings since 2020

    12 hrs/week

    No compensation reported

  • Virginia R Litle

    Vice President

    Treasurer → Vice President, 2022

    On filings since 2020

    12 hrs/week

    No compensation reported

  • Juan A Crestanello

    Secetary

    Director → Secretary, 2023

    Secretary → Secetary, 2024

    On filings since 2021

    12 hrs/week

    No compensation reported

Former officers (10)
  • Former: Jennifer S. Lawton MD (2020–2023) — Director -
  • Former: Joseph E. Bavaria MD (2020–2023) — Director -
  • Former: Lauren C. Kane MD (2020–2022) — Director -
  • Former: Priscilla Kennedy (2020–2022) — Executive Director -
  • Former: Sean C. Grondin MD (2021–2022) — Director
  • Former: Joseph F. Sabik III MD (2020–2021) — Director -
  • Former: Keith S. Naunheim MD (2020–2021) — Vice President -
  • Former: Shanda H. Blackmon MD (2020–2021) — Secretary -
  • Former: Douglas Wood MD (2020) — Director
  • Former: Robert Higgins MD (2020) — Director

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2023 IRS filing

Lee Wiensch — Executive Director: $156KLee WienschExecutive Director$156K

The highest reported compensation on the 2023 filing was $156K, to Lee Wiensch (Executive Director).

Frequently asked questions about The Thoracic Surgery Foundation

How much does The Thoracic Surgery Foundation give each year?

The Thoracic Surgery Foundation gave $437K across 12 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $653K across 10 grants.

What is The Thoracic Surgery Foundation's typical grant size?

The Thoracic Surgery Foundation's median grant in 2024 was $35,000, and its average grant was $36,433, across 12 grants on its 2024 IRS Form 990. Organizations receiving their first grant from The Thoracic Surgery Foundation that year got $28K on average.

Where does The Thoracic Surgery Foundation give grants?

The Thoracic Surgery Foundation's top state is North Carolina, with 16% of the grant dollars itemized on its 2024 IRS Form 990. The next largest states were Texas (16%) and California (11%).

Does The Thoracic Surgery Foundation give general operating support?

Not in 2024: none of the 12 grants with a stated purpose on The Thoracic Surgery Foundation's 2024 IRS Form 990 were described as general or operating support. Recurring purposes include "Every Heart Beat Matters" (12 grants).

Who are The Thoracic Surgery Foundation's largest grantees?

The Thoracic Surgery Foundation's largest 2024 grantees include Duke University ($70,000), Peruvian American Medical Society ($37,200) and Divine Will Foundation ($35,000), according to its 2024 IRS Form 990. Together they received 33% of its itemized 2024 grant dollars.

How large is The Thoracic Surgery Foundation?

The Thoracic Surgery Foundation reported $11.4M in total assets on its 2024 IRS Form 990. Its revenue that year was $3.1M.

What does The Thoracic Surgery Foundation fund?

TSF states that its mission is to advance heart and lung health for all. Its granting pillars are research, education, innovation, and humanitarian outreach. See mission & focus areas ↑

How do I apply for a grant from The Thoracic Surgery Foundation?

The Thoracic Surgery Foundation has no public application process in the sources Grantable reviewed. Check thoracicsurgeryfoundation.org for current guidelines, or contact the foundation directly before submitting a request.

What is The Thoracic Surgery Foundation's EIN?

The Thoracic Surgery Foundation's EIN (Employer Identification Number) is 36-3635910. IRS Form 990 filing data is available on this page for 2020–2024.

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

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2020 (received by the IRS October 6, 2021)
  2. Updated Form 990 for fiscal year 2021 (received by the IRS October 26, 2022)
  3. Updated Form 990 for fiscal year 2022 (received by the IRS August 17, 2023)
  4. Updated Form 990 for fiscal year 2023 (received by the IRS November 11, 2024)
  5. Updated Form 990 for fiscal year 2024 (received by the IRS November 7, 2025)
  6. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in The Thoracic Surgery Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Enterprise Holdings Foundation

Saint Louis, MO

The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.

Assets

$594.3M

Grants

1

Total Given

$101.4M

LPL Financial Foundation Inc

Boston, MA

Assets

$7.8M

Grants

55

Total Given

$2.3M

Rensselaer Polytechnic Institute

Troy, NY

Rensselaer Polytechnic Institute’s reported grants primarily support research subcontracts to universities, medical institutions, and research organizations; its student scholarships and fellowships are not grants to outside applicants. In 2025, grants ranged from $5,700 to $659,031, with a median of $71,429, and recipients were located across the U.S., especially in New York. It does not state whether it accepts unsolicited funding requests.

Education

Assets

$1.8B

Grants

57

Total Given

$7.3M

Brightfocus Foundation

Clarksburg, MD

BrightFocus Foundation funds basic, translational, and clinical research on Alzheimer’s disease, macular degeneration, and glaucoma, including innovative and early-stage projects, worldwide. Its 2025 grants ranged from $15,240 to $409,500, with a median of $200,000. It accepts applications through online program opportunities and Requests for Proposals.

Assets

$65.1M

Grants

57

Total Given

$13.3M

Alzheimer's Disease & Related Disorders Association Inc

Chicago, IL

The Alzheimer’s Association funds Alzheimer’s and dementia research, including basic, clinical, social and behavioral studies, and supports care, prevention, early detection, awareness, and advocacy. In 2025, its 79 grants ranged from $10,000 to $13.3 million, with a median of $270,750; research opportunities are open to U.S. and international researchers.

Diseases, Disorders & Medical Disciplines

Assets

$523.7M

Grants

79

Total Given

$73.3M

Intuitive Foundation

Sunnyvale, CA

The Intuitive Foundation funds medical and technology research, robotic-surgery training, and STEM and healthcare pathways, supporting eligible nonprofits in the United States and worldwide. Giving varies widely: 2024 grants ranged from $5,000 to $2.8 million, with a median of about $52,000; clinical research grants offer up to $75,000 per project. It accepts unsolicited online requests, reviewed quarterly.

Philanthropy, Voluntarism & Grantmaking

Assets

$122.7M

Grants

104

Total Given

$12.6M

More similar funders

More Funders in Illinois

Cite this profile

Grantable. (2026). The Thoracic Surgery Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/the-thoracic-surgery-foundation-morg_6b8194f79c644548a02d23793adbeade

BibTeX
@misc{grantable_363635910_2026,
  author       = {{Grantable}},
  title        = {{The Thoracic Surgery Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-thoracic-surgery-foundation-morg_6b8194f79c644548a02d23793adbeade},
  note         = {Accessed 2026-10-15. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from The Thoracic Surgery Foundation'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.

The Thoracic Surgery Foundation down — hundreds of funders to go?

Want AI to do this for you?