The Hip Society
To advance knowledge of hip disorders, promote evidence-based treatment, and refine suregery of the hip in order to improve the lives of patients.
The Hip Society at a glance
In short: The Hip Society gave $15K across 2 grants in 2025 (avg $8K), mostly in Arizona. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $15,000
- +50.0% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $7,500
- +50.0% vs 2024
- Median grant
- $7,500
- Total assets
- $8,524,351
- +12.7% vs 2024
- Primary geography
- Arizona (67% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who The Hip Society funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was The Center for Orthopedic and Research Excellence Inc ($10K). Together the top 2 received $15K.
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 6 grants of 6 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
Cities
How The Hip Society gives
- Giving fell 61% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $1K (2020) to $38K (2022). In 2025 it made 2 grants totaling $15K.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Center for Orthopedic and Research Excellence Inc Phoenix, AZ | Research | $10,000 |
| University of Southern California Los Angeles, CA | Research | $5,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $8,524,351 | $1,858,799 | $965,260 | $15,000 | 2 | $919,591 |
| 2024 | $7,561,858 | $1,090,270 | $852,982 | $10,000 | 2 | $208,376 |
| 2023 | $6,751,603 | $962,066 | $877,442 | $12,500 | 1 | $155,554 |
| 2022 | $6,247,099 | $1,236,691 | $985,523 | $38,333 | 1 | $104,909 |
| 2021 | $6,786,743 | $702,360 | $734,093 | $25,000 | Total only | $104,865 |
| 2020 | $5,815,622 | $941,638 | $661,932 | $1,000 | Total only | $108,652 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About The Hip Society
Based on IRS filings
The Hip Society is a public charity, based in Schaumburg, IL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $8.5M in total assets. In 2025, it awarded 2 grants totaling $15K. Net investment income was $920K.
Leadership & Key People
Officers and directors from IRS filings
The Hip Society is led by Olga Foley, Executive Director on every filing since 2021; 2 of 14 officers listed in 2025 are compensated.
Officers on the 2025 filing
Olga Foley
Executive Director
On filings since 2021
40 hrs/week
$122K (2021) → $176K (2025)
Steven J. Macdonald MD
President
2nd Vice President → 1st Vice President, 2024
1st Vice President → President, 2025
On filings since 2022
1 hr/week
No compensation reported
William M. Mihalko MD
Committee Chair
On filings since 2024
1 hr/week
No compensation reported
Amar S. Ranawat MD
Committee Chair
New on the 2025 filing
1 hr/week
No compensation reported
Christopher L. Peters MD
Committee Chair
New on the 2025 filing
1 hr/week
No compensation reported
Samuel S. Wellman MD
Committee Chair
New on the 2025 filing
1 hr/week
No compensation reported
Jolanta Tricroce
Education & Meetings Director
Education & Meetings Manager → Education & Meetings Director, 2025
On filings since 2024
40 hrs/week
$102K (2024) → $117K (2025)
Don S. Garbuz MD
Immediate Past President
1st Vice President → President, 2024
President → Immediate Past President, 2025
On filings since 2020
1 hr/week
No compensation reported
John C. Clohisy MD
3rd Vice President
Committee Chair → Secretary, 2021
Secretary → 3rd Vice President, 2025
On filings since 2020
1 hr/week
No compensation reported
Mathias Pg Bostrom MD
1st Vice President
3rd Vice President → 2nd Vice President, 2024
2nd Vice President → 1st Vice President, 2025
On filings since 2020
1 hr/week
No compensation reported
William A. Macaulay MD
Treasurer
Committee Chair → Treasurer, 2023
On filings since 2021
1 hr/week
No compensation reported
Michael P. Bolognesi MD
Secretary
Committee Chair → Secretary, 2024
On filings since 2023
1 hr/week
No compensation reported
Bryan D. Springer MD
2nd Vice President
3rd Vice President → 2nd Vice President, 2025
On filings since 2024
1 hr/week
No compensation reported
Ronald E. Delanois MD
Member-At-Large
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (16)
- Former: William A. Jiranek MD (2020–2024) — Immediate Past President
- Former: Rafael J. Sierra MD (2022–2024) — Committee Chair
- Former: Keith R. Berend MD (2023–2024) — Member
- Former: Matthew P. Abdel MD (2024) — Committee Chair
- Former: Paul E. Beaule MD (2024) — Committee Chair
- Former: Jay R. Lieberman MD (2020–2023) — Immediate Past President
- Former: Michael A. Mont MD (2021–2023) — Committee Chair
- Former: Adolph V. Lombardi Jr. MD (2020–2022) — Committee Chair
- Former: C. Anderson Engh Jr. MD (2020–2022) — Immediate Past President
- Former: George J. Haidukewych MD (2020–2022) — Member
- Former: R. Michael Meneghini MD (2022) — Committee Chair
- Former: Robert L. Barrack MD (2020–2021) — Immediate Past President
- Former: Scott M. Sporer MD (2021) — Committee Chair
- Former: Joshua J. Jacobs MD (2020) — Immediate Past President
- Former: Richard Iorio MD (2020) — Committee Chair
- Former: William L. Griffin MD (2020) — Committee Chair
Data from IRS Form 990 filings, 2020–2025. "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
The highest reported compensation on the 2025 filing was $176K, to Olga Foley (Executive Director). 2 officers or directors reported compensation on that filing.
Frequently asked questions about The Hip Society
How much does The Hip Society give each year?
The Hip Society gave $15K across 2 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $10K across 2 grants.
How large is The Hip Society?
The Hip Society reported $8.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.9M.
Where does The Hip Society operate?
The Hip Society has awarded grants in Arizona, California, Maryland, Minnesota, Pennsylvania.
What is The Hip Society's EIN?
The Hip Society's EIN (Employer Identification Number) is 23-7348162. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS August 30, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 14, 2022)
- Added Form 990 for fiscal year 2025 (received by the IRS July 31, 2026)
- IRS filings on file for fiscal years 2020–2024
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