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Nonprofit · EIN 52-2317193

AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC

Tax-exempt · ROCKVILLE, MD 20852

Financials

$12.2M$13.1M2023$15M$14.4M2024$20.3M$12.6M2025
Revenue Expenses · by fiscal year end
Financials of AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$20,327,063$12,586,246$7,740,817$91,524,702$2,654,049$88,870,653
December 31, 2024990$14,999,961$14,383,336$616,625$85,643,615$4,513,779$81,129,836
December 31, 2023990$12,217,650$13,102,263-$884,613$82,572,275$6,527,952$76,044,323
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$29,650
Program service revenue
$5,787,980
Investment income
$10,326,674
Royalties
$4,125,285
Net gain from sales of assets
$8,125,001
Other revenue
$4,182,759

Expenses

Grants and similar amounts paid
$771,964
Compensation of officers, directors and key employees
$1,468,654
Other salaries and wages
$3,308,281
Salaries, compensation and benefits (total)
$5,746,730
Professional fundraising fees
$0
Legal fees
$212,080
Accounting fees
$49,455
Occupancy
$293,839
Travel
$429,581
Depreciation
$127,249
Program services (functional)
$11,245,109
Management and general (functional)
$1,341,137

Balance sheet and other

Total assets, start of year
$85,643,615
Total assets, end of year
$91,524,702
Total liabilities, end of year
$2,654,049
Net assets, end of year
$88,870,653
Land, buildings and equipment
$205,848
Publicly traded securities
$70,497,523
Net assets without donor restrictions
$88,801,015
Net assets with donor restrictions
$69,638
Gross unrelated business income
$32,253
Gross receipts
$99,751,640
Employees
38
Volunteers
122
Year formed
2001
State of legal domicile
MD

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.

NameTitleHours / weekCompensationOther / benefits
LORETTA DOAN PHDCHIEF EXECUTIVE OFFICER
Officer
37.5$480,253$76,482
SUSAN MEDICK CPACHIEF FINANCE & OPERATIONS OFFICER
Officer
37.5$332,280$41,194
GWENDOLYN FORTUNE-BLAKELYCHIEF MEMBER. & ENGAGEMENT OFFICER
Key employee
37.5$290,675$27,300
LAUREN GROSS JDCPPO (UNTIL 03/25)
Key employee
37.5$214,084$6,386
DALE BENGSTONDIRECTOR IT
Highest-paid employee
37.5$196,958$19,258
MARY LITZINGER PHDSR DIRECTOR SCIENCE & EDUCATION
Highest-paid employee
37.5$185,719$28,345
JILL TREBYDIRECTOR MEMBERSHIP
Highest-paid employee
37.5$189,096$23,893
BRYNA BURRELL PHDDIRECTOR SCIENTIFIC AFFAIRS
Highest-paid employee
37.5$159,403$22,606
MOLLY FERNSDIRECTOR MARKETING
Highest-paid employee
37.5$154,718$15,761
ULRICH H VON ANDRIAN MDTRANS. VP TO PRES 07/25
Trustee or director, Officer
3$300$0
AVERY AUGUST PHDTRANS. COUNCILOR TO VP 07/25
Trustee or director, Officer
3$300$0
STEPHEN JAMESON PHDTRANS. PRES TO PAST PRES 07/25
Trustee or director, Officer
3$300$0
SUSAN M KAECH PHDCOUNCILOR
Trustee or director
1$200$0
JOAN GOVERMAN PHDSECRETARY-TREASURER
Trustee or director, Officer
3$0$0
AKIKO IWASAKI PHDPAST PRESIDENT (UNTIL 06/25)
Trustee or director, Officer
3$0$0
3 more people on this return
NameTitleHours / weekCompensation
MARIA-LUISA ALEGRE MD PHDCOUNCILOR
Trustee or director
1$0
DONNA L FARBER PHDCOUNCILOR
Trustee or director
1$0
GWENDALYN J RANDOLPH PHDCOUNCILOR (FROM 07/25)
Trustee or director
1$0
990 for the year ended December 31, 2024: 18 people
NameTitleHours / weekCompensationOther / benefits
LORETTA DOAN PHDCHIEF EXECUTIVE OFFICER
Officer
37.5$452,754$62,526
LAUREN GROSS JDCHIEF POLICY & PROGRAM OFFICER
Key employee
37.5$314,530$59,327
SUSAN MEDICK CPACHIEF FINANCE & OPERATIONS OFFICER
Officer
37.5$312,335$41,479
GWENDOLYN V FORTUNE-BLAKELYCHIEF MEMBERSHIP & ENGMT OFFICER
Key employee
37.5$266,620$26,098
CATHERINE WATTENBERGDIRECTOR, PUBLICATIONS
Highest-paid employee
37.5$153,495$45,625
MARY LITZINGER PHDDIRECTOR, EDUCATION & CAREER DEV
Highest-paid employee
37.5$165,704$29,479
DALE BENGSTONDIRECTOR, IT
Highest-paid employee
37.5$174,459$17,305
JACOB D SCHUMACHERDIRECTOR, GOVERNMENT AFFAIRS
Highest-paid employee
37.5$143,647$27,511
BRYNA E BURRELL PHDSENIOR SCIENTIST
Highest-paid employee
37.5$144,689$25,483
ULRICH H VON ANDRIAN MDVICE PRESIDENT EFF. 7/2024
Trustee or director, Officer
3$300$0
AVERY AUGUST PHDCOUNCILOR
Trustee or director
1$300$0
STEPHEN JAMESON PHDPRESIDENT EFF. 7/2024
Trustee or director, Officer
3$300$0
JOAN GOVERMAN PHDSECRETARY-TREASURER
Trustee or director, Officer
3$0$0
AKIKO IWASAKI PHDPAST PRESIDENT, EFF. 7/2024
Trustee or director, Officer
3$0$0
MARK DAVIS PHDPAST PRESIDENT - UNTIL 6/2024
Trustee or director, Officer
3$0$0
SUSAN M KAECH PHDCOUNCILOR
Trustee or director
1$0$0
MARIA-LUISA ALEGRE MD PHDCOUNCILOR
Trustee or director
1$0$0
DONNA FARBER PHDCOUNCILOR
Trustee or director
1$0$0
990 for the year ended December 31, 2023: 19 people
NameTitleHours / weekCompensationOther / benefits
LORETTA DOAN PHDCEO
Officer
37.5$392,192$66,490
LAUREN GROSS JDCHIEF POLICY & PROGRAM OFFICER
Key employee
37.5$325,473$29,670
M MICHELE HOGAN PHDFORMER CEO
Former
0$251,500$0
CATHERINE WATTENBERGDIRECTOR OF PUBLICATIONS
Highest-paid employee
37.5$162,839$64,081
MARY LITZINGER PHDDIR EDUCATION & CAREER DEV
Highest-paid employee
37.5$172,461$37,260
BETHANY COULTERDIRECTOR OF COMMUNICATIONS
Highest-paid employee
37.5$174,311$17,434
DALE BENGSTONDIRECTOR OF IT
Highest-paid employee
37.5$163,662$16,747
SUSAN MEDICKCHIEF FINANCE & OPERATIONS OFFICER
Officer
37.5$147,269$23,677
BRYNA BURRELLSENIOR SCIENTIST
Highest-paid employee
37.5$137,217$32,779
MARIA ZAVARELLO CPACHIEF FINANCIAL OFF. - UNTIL 4/2023
Officer
37.5$148,610$7,828
ULRICH VON ANDRIAN MDCOUNCILLOR
Trustee or director
1$300$0
AVERY AUGUST PHDCOUNCILLOR
Trustee or director
1$300$0
STEPHEN JAMESON PHDVICE PRESIDENT
Trustee or director, Officer
3$300$0
SUSAN M KAECH PHDCOUNCILLOR
Trustee or director
1$0$0
MARIA-LUISA ALEGRE MD PHDCOUNCILLOR
Trustee or director
1$0$0
AKIKO IWASAKI PHDPRESIDENT
Trustee or director, Officer
3$0$0
JOAN GOVERMAN PHDSECRETARY-TREASURER
Trustee or director, Officer
3$0$0
MARK M DAVIS PHDPAST PRESIDENT
Trustee or director, Officer
3$0$0
GARY A KORETZKY MD PHDPAST PRESIDENT - UNTIL 6/2023
Trustee or director, Officer
3$0$0

Address and contacts

Address (IRS master file)
1451 ROCKVILLE PIKE STE 650, ROCKVILLE, MD 20852-1473
Principal officer (990 for 2025)
LORETTA DOAN, 1451 ROCKVILLE PIKE 650, ROCKVILLE, MD 20852
Signed the 990
SUSAN MEDICK, CFOO
Phone
(301) 634-7178
Return prepared by
GELMAN ROSENBERG & FREEDMAN

Mission

THE AMERICAN ASSOCIATION OF IMMUNOLOGISTS (AAI) IS AN INTERNATIONAL ASSOCIATION REPRESENTING PROFESSIONALLY TRAINED SCIENTISTS WHO CONDUCT BASIC AND CLINICAL RESEARCH ON THE BIOLOGY OF THE IMMUNE SYSTEM. AAI IS DEDICATED TO ADVANCING THE KNOWLEDGE OF IMMUNOLOGY, FOSTERING THE INTERCHANGE OF IDEAS AND INFORMATION AMONG INVESTIGATORS, AND ADDRESSING THE POTENTIAL INTEGRATION OF IMMUNOLOGIC PRINCIPLES INTO CLINICAL PRACTICE. AAI SERVES ITS MEMBERS BY PROVIDING A CENTER FOR THE DISSEMINATION OF INFORMATION RELEVANT TO THE FIELD AND ITS PRACTICES SUCH AS EDUCATION AND PROFESSIONAL OPPORTUNITIES, SCIENTIFIC MEETINGS, MEMBERSHIP-DERIVED ISSUES AND OPINIONS, AND IMPORTANT SOCIAL AND POLITICAL MATTERS. AAI OWNS AND PUBLISHES THE JOURNAL OF IMMUNOLOGY--THE LARGEST AND MOST HIGHLY CITED JOURNAL IN THE FIELD.

990 for the year ended December 31, 2025

Program accomplishments

  • ANNUAL MEETING: EACH YEAR AAI HOLDS AN ANNUAL MEETING WHICH DRAWS THOUSANDS OF ATTENDEES AND HUNDREDS OF EXHIBITORS. ATTENDEES INCLUDE BOTH AAI MEMBERS AND NON-MEMBERS WHO HAVE AN INTEREST IN IMMUNOLOGY. DURING THE ANNUAL MEETING, AAI OFFERS A VARIETY OF LECTURES, SEMINARS, AND SYMPOSIA ON SCIENTIFIC TOPICS RELATED TO THE FIELD OF IMMUNOLOGY, WHICH ARE AVAILABLE TO ALL ATTENDEES. MUCH OF THE CONTENT OF THE ANNUAL MEETING IS FOCUSED ON THE NEEDS AND INTERESTS OF STUDENTS AND TRAINEES IN IMMUNOLOGY. WORKSHOPS AT THE ANNUAL MEETING ARE PROGRAMS ON GRANT WRITING, FUNDING OPPORTUNITIES FOR IMMUNOLOGISTS, CAREERS IN SCIENCE, AND PROFESSIONAL CIRCUMSTANCES. AT THE ANNUAL MEETING, AAI ALSO SPONSORS A CAREER RESOURCE PROGRAM FOR ALL REGISTRANTS. THIS PROGRAM PROVIDE ATTENDEES THE OPPORTUNITY TO POST THEIR CVS, LEARN ABOUT JOB OPPORTUNITIES, AND ATTEND SEMINARS ON INTERVIEWING FOR JOBS AND PREPARING RESUMES.
    Expenses $3,732,603 · grants $7,000 · revenue $2,254,629
  • EDUCATION AND CAREER: AAI PROVIDES NUMEROUS OPPORTUNITIES FOR PROFESSIONAL DEVELOPMENT AND EDUCATION, INCLUDING INTENSIVE IMMUNOLOGY COURSES HELD EACH SUMMER AND FALL. CURRENTLY THERE ARE THREE IN-PERSON IMMUNOLOGY COURSES: INTRODUCTORY (OVER 100 ATTENDEES EACH YEAR), ADVANCED (OVER 200 ATTENDEES EACH YEAR), AND COMPUTATIONAL IMMUNOLOGY (OVER 200 ATTENDEES). IN ADDITION TO THE IN-PERSON COURSES, AAI ALSO OFFERS WEBINARS ON A VARIETY OF TOPICS.
    Expenses $1,458,411 · revenue $1,035,533
  • PUBLICATIONS: THE AMERICAN ASSOCIATION OF IMMUNOLOGISTS IS PROUD TO PUBLISH THE JOURNAL OF IMMUNOLOGY AND IMMUNOHORIZONS. AS ONE OF THE MOST HIGHLY CITED JOURNALS IN THE FIELD OF IMMUNOLOGY, THE JI IS COMMITTED TO DESCRIBING AND PUBLISHING NOVEL FINDINGS IN ALL AREAS OF EXPERIMENTAL IMMUNOLOGY, INCLUDING BASIC AND CLINICAL STUDIES. IMMUNOHORIZONS IS A FULLY OPEN ACCESS PEER-REVIEWED JOURNAL, COMMITTED TO ADVANCING THE KNOWLEDGE OF IMMUNOLOGY AND IMMUNOLOGY EDUCATION.
    Expenses $1,443,251 · revenue $38
  • COMMUNICATIONS
    Expenses $1,187,894 · revenue $27,265
  • AWARDS
    Expenses $984,973 · grants $764,964 · revenue $34,521
  • POLICY AND GOVERNMENT AFFAIRS
    Expenses $832,948
  • MEMBERSHIP
    Expenses $832,412 · revenue $1,300,976
  • MARKETING
    Expenses $457,978
  • BUSINESS DEVELOPMENT
    Expenses $314,639

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
52-2317193
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
2003
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$91,524,702
Income (IRS master file)
$99,751,640

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$20,327,063$12,586,246$91,524,702XML
990-TDecember 2025–––IRS
990December 2024$14,999,961$14,383,336$85,643,615XML
990-TDecember 2024–––IRS
990December 2023$12,217,650$13,102,263$82,572,275XML
990-TDecember 2023–––IRS
990December 2022$9,922,476$13,217,561$75,684,116IRS
990-TDecember 2022–––IRS
990December 2021–––IRS
990-TDecember 2021–––IRS
990December 2020–––IRS
990-TDecember 2020–––IRS
990December 2018–––IRS
990December 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 52-2317193).

Questions about AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC

What is the EIN of AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC?
The employer identification number (EIN) of AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC is 52-2317193.
Is AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
Are donations to AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC 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 AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC 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 AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC 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 AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC?
The 990 for the year ended December 31, 2025 names LORETTA DOAN.
Who are the officers and directors of AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC?
The 990 for the year ended December 31, 2025 lists 18 people; 13 received compensation from the organization, the highest $480,253 (LORETTA DOAN PHD, CHIEF EXECUTIVE OFFICER).
How much revenue does AMERICAN ASSOCIATION OF IMMUNOLOGISTS INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $20,327,063, expenses of $12,586,246 and total assets of $91,524,702 at year end.

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