American Association of Hip & Knee
The American Association of Hip & Knee Surgeons (AAHKS) is a 501(c)(6) business league established in 1991 and headquartered in Rosemont, Illinois. The organization represents over 5,500 surgeons and hip and knee health care professionals. AAHKS operates as a professional association dedicated to advancing hip and knee patient care through education, advocacy, research, and outreach activities.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$12.9M
+12.3% YoY
Annual Giving
$883K
+783.2% YoY
Grant Count
64
+3100.0% YoY
Avg Grant Size
$14K
-72.4% YoY
Mission & Focus Areas
AAHKS's mission is to be the definitive global authority on excellence in hip and knee care. The organization is committed to ensuring access for all to the highest quality hip and knee care while upholding core values of excellence, integrity, patient-centered care, innovation, lifelong learning, and inclusivity.
Primary program areas include:
Annual Meeting: An accredited medical education conference addressing scientific topics including implant design, outcomes, surgical techniques, and complications of primary and revision total joint arthroplasty (TJA). The 2024 hybrid annual meeting attracted over 5,000 surgeons and industry professionals, with 4,857 live attendees and 317 virtual attendees.
Research: The organization produces two peer-reviewed medical journals, the Journal of Arthroplasty and Arthroplaasty Today, publishing original research and surgical techniques.
Health Policy Activities: AAHKS provides information and analysis to federal policy makers in Congress and executive departments regarding total joint arthroplasty issues.
Continuing Medical Education: Additional accredited CME activities conducted throughout the year.
Grantmaking
AAHKS administers several grant programs:
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Geographic Focus
Where this funder awards grants
AAHKS's grantmaking focuses primarily on the United States, with particular emphasis on Texas, California, and Florida. The organization maintains an international presence with offices in France and China, though no international grants were given in 2023 or 2024.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
2023 Financial Summary:
- Total Revenue: $9,494,616
- Total Expenses: $8,701,815
- Net Income: $792,801
- Total Assets: $11,444,483
- Total Liabilities: $1,870,000
Revenue Composition (2023):
- Contributions: $2,293,738 (24.2% of total revenue)
- Program Services: $6,358 (portion of remaining revenue)
Staffing: AAHKS employs 23 people as of the most recent reporting period, representing 25% year-over-year growth.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $12,853,864 | $11,444,483 | $11,054,452 |
| Revenue | $10,174,605 | $9,494,616 | $9,412,032 |
| Expenses | $9,946,406 | $8,701,815 | $8,633,315 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $391,406 | $278,201 | $196,342 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
104 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Board of Directors:
- President: Antonia F. Chen, MD, MBA
- First Vice President: Matthew P. Abdel, MD
- Second Vice President: Gregory G. Polkowski II, MD, MSc
- Third Vice President: Rafael J. Sierra, MD
- Immediate Past President: R. Michael Meneghini, MD
- Secretary: Rafael J. Sierra, MD
- Treasurer: Ran Schwarzkopf, MD, MSc
- Members-at-Large: William G. Hamilton, MD; Ugonna N. Ihekweazu, MD; Adam A. Sassoon, MD, MS; Jonathan M. Vigdorchik, MD
Executive Leadership:
- Executive Director: Michael J. Zarski, JD
- Deputy Executive Director: Joshua Kerr
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| HUDDLESTON JAMES I | PRESIDENT/FIRST VP | 2 | — |
| PARVIZI JAVAD | PAST PRESIDENT/PRESIDENT | 2 | — |
| MENEGHINI R MICHAEL | FIRST VP/SECOND VP | 2 | — |
| ABDEL MATTHEW P | THIRD VP/MEMBER-AT-LARGE | 2 | — |
| BROWNE JAMES A | TREASURER | 2 | $20,000 |
| JAIN RINA | MEMBER-AT-LARGE | 2 | — |
| LEVINE BRETT | MEMBER-AT-LARGE | 2 | $20,000 |
| MIHALKO WILLIAM M | MEMBER-AT-LARGE | 2 | — |
| SIERRA RAFAEL J | SECRETARY | 2 | — |
| CHEN ANTONIA F | SECOND VP/THIRD VP | 2 | — |
| DELANOIS RONALD E | MEMBER-AT-LARGE | 2 | — |
| BELLAMY JAIME L | MEMBER-AT-LARGE | 2 | $20,000 |
| ZARSKI MICHAEL | EXECUTIVE DIRECTOR | 50 | $400,000 |
| KERR JOSHUA | DEPUTY EXECUTIVE DIRECTOR | 50 | $191,100 |
| WOLFE SIGITA | SR DIR OF EDUCATION AND SC | 50 | $157,988 |
| LUSK EILEEN | SENIOR DIRECTOR OF MEMBERS | 44 | $136,861 |
| MALVAR-LEDDA RENALIN J | SR DIR OF EVENTS AND OPERA | 45 | $126,329 |
| MITCHELL JEFF | DIR OF MKTG AND CORP RELAT | 45 | $131,433 |
| RODGERS CHIARA | DIR OF RESEARCH AND HUMANI | 40 | $135,188 |
| ROBINSON KENNETH | COMMUNICATIONS MANAGER | 40 | $106,180 |
Recent News & Activity
Recent developments and announcements
AAHKS's Fellowship Education Improvement and Innovation Grant Program distributed over $1 million to 58 adult reconstruction fellowship programs in recent years.
AAHKS\u2019 Fellowship Education Improvement and Innovation Grant Program\The organization established a Diversity Research Grant program to support research initiatives.
AAHKS\u2019 Fellowship Education Improvement and Innovation Grant Program\The 2024 annual meeting achieved record attendance with over 5,000 surgeons and industry professionals participating in the hybrid format.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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