Nonprofit · EIN 23-7291856
AMERICAN INSTITUTE FOR CONSERVATION
Tax-exempt · WASHINGTON, DC 20005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,557,757 | $1,548,488 | $9,269 | $1,687,922 | $1,281,486 | $406,436 |
| December 31, 2024 | 990 | $1,502,086 | $1,668,426 | -$166,340 | $1,829,243 | $1,427,440 | $401,803 |
| December 31, 2023 | 990 | $1,167,094 | $1,470,438 | -$303,344 | $2,014,621 | $1,441,302 | $573,319 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $1,470,707
- Investment income
- $49,244
- Royalties
- $12,754
- Net gain from sales of assets
- $36,734
- Net income from sales of inventory
- $742
- Other revenue
- $37,806
Expenses
- Grants and similar amounts paid
- $21,700
- Compensation of officers, directors and key employees
- $78,649
- Other salaries and wages
- $438,739
- Salaries, compensation and benefits (total)
- $630,575
- Professional fundraising fees
- $0
- Occupancy
- $50,650
- Travel
- $78,977
- Depreciation
- $4,214
Balance sheet and other
- Total assets, start of year
- $1,829,243
- Total assets, end of year
- $1,687,922
- Total liabilities, end of year
- $1,281,486
- Net assets, end of year
- $406,436
- Land, buildings and equipment
- $15,925
- Publicly traded securities
- $303,993
- Net assets without donor restrictions
- $406,436
- Gross unrelated business income
- $35,556
- Gross receipts
- $1,772,104
- Employees
- 14
- Volunteers
- 9
- Year formed
- 1972
- State of legal domicile
- DC
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 |
|---|---|---|---|---|
| LISSA ROSENTHAL-YOFFE | EXECUTIVE DIRECTOR Officer | 18.75 | $148,084 | $8,214 |
| TIFFANI EMIG | DEPUTY DIRECTOR Highest-paid employee | 12 | $107,948 | $16,651 |
| CORINA ROGGE | VP TRANS. TO PRES. (EFF. 05/25) Trustee or director, Officer | 3 | $0 | $0 |
| SUZANNE DAVIS | PRESIDENT (UNTIL 05/25) Trustee or director, Officer | 3 | $0 | $0 |
| ABED HADDAD | VICE PRESIDENT (BEG. 05/25) Trustee or director, Officer | 2 | $0 | $0 |
| JENNIFER MCGLINCHEY SEXTON | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ELMER EUSMAN | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| SAMANTHA SPRINGER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SARAH REIDELL | DIRECTOR Trustee or director | 2 | $0 | $0 |
| GREGORY BAILEY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BETH EDELSTEIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
990 for the year ended December 31, 2024: 10 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LISSA ROSENTHAL-YOFFE | EXECUTIVE DIRECTOR Officer | 18.75 | $147,084 | $8,806 |
| TIFFANI EMIG | DEPUTY DIRECTOR Highest-paid employee | 9.38 | $107,648 | $15,594 |
| SUZANNE DAVIS | PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| CORINA ROGGE | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| JENNIFER MCGLINCHEY SEXTON | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ELMER EUSMAN | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| SAMANTHA SPRINGER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SARAH REIDELL | DIRECTOR Trustee or director | 2 | $0 | $0 |
| GREGORY BAILEY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BETH EDELSTEIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
990 for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| LISSA ROSENTHAL-YOFFE | EXECUTIVE DIRECTOR Officer | 18.75 | $142,800 | $4,425 |
| SUZANNE DAVIS | PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| CORINA ROGGE | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| JENNIFER MCGLINCHEY SEXTON | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ELMER EUSMAN | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| MOLLY GLEESON | DIRECTOR (UNTIL 5/2023) Trustee or director | 2 | $0 | $0 |
| SARAH MELCHING | DIRECTOR (UNTIL 5/2023) Trustee or director | 2 | $0 | $0 |
| SAMANTHA SPRINGER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SARAH REIDELL | DIRECTOR Trustee or director | 2 | $0 | $0 |
| GREGORY BAILEY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BETH EDELSTEIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 727 15TH ST NW STE 500, WASHINGTON, DC 20005-2141
- In care of
- % ERYL WENTWORTH
- Principal officer (990 for 2025)
- LISSA ROSENTHAL-YOFFE, 727 15TH STREET NW 1101, WASHINGTON, DC 20005
- Signed the 990
- LISSA ROSENTHAL-YOFFE, EXECUTIVE DIRECTOR
- Phone
- (202) 452-9545
- Website
- WWW.CULTURALHERITAGE.ORG
- Return prepared by
- GELMAN ROSENBERG & FREEDMAN
Mission
A NATIONAL MEMBERSHIP ORGANIZATION IN THE UNITED STATES DEDICATED TO THE PRESERVATION OF CULTURAL MATERIAL, THE AMERICAN INSTITUTE FOR CONSERVATION OF HISTORIC AND ARTISTIC WORKS PLAYS A CRUCIAL ROLE IN ESTABLISHING AND UPHOLDING PROFESSIONAL STANDARDS, PROMOTING RESEARCH AND PUBLICATIONS, PROVIDING EDUCATIONAL OPPORTUNITIES, AND FOSTERING THE EXCHANGE OF KNOWLEDGE AMONG CONSERVATORS, ALLIED PROFESSIONALS, AND THE PUBLIC.
Program accomplishments
- ANNUAL MEETING - THE AIC ANNUAL MEETING IS A CONFERENCE THAT INCLUDES FORMAL PRESENTATIONS, SYMPOSIA, DEMONSTRATIONS, AND INFORMAL CONVERSATIONS ON A VARIETY OF CONSERVATION TOPICS, INVITING DISCUSSION OF PHILOSOPHICAL AND ETHICAL ISSUES, NEW TECHNIQUES AND MATERIALS, AND RECENT DISCOVERIES THAT HAVE GROWN OUT OF CONSERVATION RESEARCH. THE MEETING FORMAT ENCOMPASSES LECTURES, EXHIBITS OF CONSERVATION-RELATED PRODUCTS AND SERVICES, WORKSHOPS, AND TOURS. IN 2025, THE AIC ANNUAL MEETING WAS OFFERED AS AN IN-PERSON EVENT IN MINNEAPOLIS WITH LIVESTREAMED MEETING COMPONENTS.
- PUBLICATIONS - AIC PROVIDES GENERAL AND TECHNICAL INFORMATION ON CONSERVATION ISSUES, TREATMENTS, RESEARCH, AND ORGANIZATIONAL MATTERS THROUGH THE PUBLICATION AND DISTRIBUTION OF A SCHOLARLY JOURNAL, NEWSLETTER, ONLINE DIRECTORY, AND OTHER PUBLICATIONS. AIC ALSO DISSEMINATES INFORMATION ABOUT AIC AND THE FIELD OF CONSERVATION ON ITS WEBSITE, IN WIKIS, IN ONLINE COMMUNITIES, AND ON ITS BLOG AND SOCIAL MEDIA SITES. AIC PERIODICALLY PARTNERS WITH MEMBERS OR ALLIED ORGANIZATIONS TO PUBLISH BOOKS ON TOPICS OF INTEREST TO THE FIELDS OF CONSERVATION AND PRESERVATION.
- SPECIALTY GROUPS - CONSERVATORS SPECIALIZE IN A BROAD RANGE OF MATERIALS, AS REFLECTED IN THE ACTIVITIES OF AIC SPECIALTY GROUPS, TO WHICH NEARLY ALL MEMBERS BELONG. ADDITIONALLY, ABOUT HALF OF AIC'S MEMBERSHIP HAVE IDENTIFIED THEMSELVES AS CONSERVATORS WHO WORK PRIVATELY. A SPECIALTY GROUP SUPPORTING THE NEEDS OF PRIVATE PRACTITIONERS CONTRIBUTES TO THE ORGANIZATION. THE TEN SPECIALTY GROUP DESIGNATIONS CURRENTLY MAINTAINED BY AIC ARE: ARCHITECTURE, BOOK & PAPER, CONSERVATORS IN PRIVATE PRACTICE, ELECTRONIC MEDIA, OBJECTS, PAINTINGS, PHOTOGRAPHIC MATERIALS, RESEARCH & TECHNICAL STUDIES, TEXTILES, AND WOODEN ARTIFACTS. THE SPECIALTY GROUPS SERVE THE FIELD BY FACILITATING COMMUNICATIONS AMONG MEMBERS THROUGH ONLINE COMMUNITIES AND PAGES ON THE AIC WEBSITE, PROVIDING A FORUM FOR CURRENT INFORMATION AT THE ANNUAL MEETING, PUBLISHING PAPERS GIVEN AT THE ANNUAL MEETING, AND OCCASIONALLY PUBLISHING BOOKS ON TOPICS RELATING TO THEIR AREA OF SPECIALTY.
- COMMITTEES AND OTHER PROGRAMS:COMMITTEES:AIC MAINTAINS FOUR STANDING COMMITTEES: 1.) THE MEMBERSHIP COMMITTEE REVIEWS AND APPROVES APPLICANTS FOR THE PROFESSIONAL ASSOCIATE AND FELLOW CLASSES OF MEMBERSHIP AND PROMOTES AIC MEMBERSHIP IN GENERAL. 2.) THE ETHICS AND STANDARDS COMMITTEE REVIEWS INSTANCES OF UNETHICAL OR QUESTIONABLE CONDUCT IN RELATION TO THE AIC CODE OF ETHICS, GUIDELINES FOR PRACTICE, AND THE COMMENTARIES TO THE GUIDELINES FOR PRACTICE. THESE DOCUMENTS SET FORTH THE PRINCIPLES THAT GUIDE CONSERVATION PROFESSIONALS AND OTHERS WHO ARE INVOLVED IN THE CARE OF CULTURAL PROPERTY. 3.) THE APPEALS COMMITTEE HEARS APPEALS OF ALL ACTIONS OF THE AIC BOARD OF DIRECTORS TAKEN IN RESPONSE TO THE EVIDENCE PROVIDED BY THE ETHICS AND STANDARDS COMMITTEE; THIS COMMITTEE IS AD HOC, POPULATED AS NEEDED BY THE BOARD. 4.) THE NOMINATING COMMITTEE PRESENTS A SLATE OF CANDIDATES FOR THE ANNUAL ELECTION OF DIRECTORS AND OFFICERS OF THE AIC.AIC HAS ADDITIONAL BOARD-APPROVED COMMITTEES THAT ASSIST IN THE ONGOING ACTIVITIES OF THE ORGANIZATION AND THESE INCLUDE: AUDIT, AWARDS, BYLAWS, COMMUNICATIONS, EDUCATION & TRAINING, EMERGENCY, EQUITY & INCLUSION, FINANCIAL ADVISORY, PROGRAM (ANNUAL MEETING PROGRAMMING), AND SUSTAINABILITY.TASK FORCES AND WORKING GROUPS:THE AIC BOARD OF DIRECTORS PERIODICALLY CREATES A TASK FORCE OR WORKING GROUP TO RESEARCH AND MAKE RECOMMENDATIONS TO THE BOARD REGARDING PARTICULAR ISSUES. TASK FORCES AND WORKING GROUPS ARE GIVEN CHARGES AND A TIMEFRAME IN WHICH TO COMPLETE THEIR ACTIVITIES AND RECOMMENDATIONS. THE MATERIALS SELECTION & SPECIFICATION WORKING GROUP, IMAGING WORKING GROUP, AND ETHICS CORE DOCUMENTS REVIEW TASK FORCE WERE ACTIVE IN 2025.NETWORKS:NETWORKS ADDRESS TOPICS THAT ARE OF INTEREST ACROSS SPECIALTIES AND ARE DESIGNED TO AUGMENT THE WORK OF SPECIALTY GROUPS. ANY AIC MEMBER CAN BE A MEMBER OF A NETWORK. A SMALL ADDITIONAL FEE MAY BE CHARGED FOR NETWORK MEMBERSHIP. ACTIVE NETWORKS INCLUDE PREVENTIVE CARE NETWORK (FORMERLY COLLECTION CARE NETWORK), EMERGING CONSERVATION PROFESSIONALS NETWORK, HEALTH & SAFETY NETWORK, CONTEMPORARY ART CONSERVATION NETWORK, AND THE ARCHAEOLOGICAL HERITAGE NETWORK.DISCUSSION GROUPS:SOME OF OUR MEMBERS AND GROUPS CREATE SUBGROUPS OR TOPICAL GROUPS TO DISCUSS PARTICULAR ISSUES AND TECHNIQUES ON A SMALLER SCALE THAN A FULL MATERIALS-BASED GROUP OR MEMBER-WIDE NETWORK. THE BOOK AND PAPER GROUP'S ART ON PAPER DISCUSSION GROUP IS A FORUM AT THE AIC ANNUAL MEETING FOR EXCHANGING FOCUSED EXPERIENCES AND IDEAS ON ART ON PAPER CONSERVATION; THE BOOK AND PAPER GROUP'S LIBRARY AND ARCHIVES CONSERVATION DISCUSSION GROUP (LACDG) IS A FORUM AT THE AIC ANNUAL MEETING FOR EXCHANGING FOCUSED EXPERIENCES AND IDEAS ON LIBRARY COLLECTIONS AND ARCHIVES CONSERVATION. IN 2024, THE MICROFADING TESTER INTERNATIONAL DISCUSSION GROUP (MFT-IDG), SPONSORED BY AIC'S PREVENTIVE CARE NETWORK, WAS FORMED TO ADVANCE MFT PRACTICE AND SUPPORT THE GLOBAL MFT USER COMMUNITY. THE LASER DISCUSSION GROUP WAS APPROVED IN 2025 TO FOCUS ON ADVANCING THE USE OF LASER TECHNOLOGIES IN ART AND HERITAGE CONSERVATION; THEY CO-HOST PROGRAMMING AND MAINTAIN AN ONLINE COMMUNITY.
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
- 23-7291856
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1973
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Community improvement and capacity building (S41)
- Assets (IRS master file)
- $1,687,922
- Income (IRS master file)
- $1,772,104
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,557,757 | $1,548,488 | $1,687,922 | XML |
| 990 | December 2024 | $1,502,086 | $1,668,426 | $1,829,243 | XML |
| 990 | December 2023 | $1,167,094 | $1,470,438 | $2,014,621 | XML |
| 990 | December 2022 | $1,403,024 | $1,474,336 | $2,375,920 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | 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 23-7291856).
Questions about AMERICAN INSTITUTE FOR CONSERVATION
- What is the EIN of AMERICAN INSTITUTE FOR CONSERVATION?
- The employer identification number (EIN) of AMERICAN INSTITUTE FOR CONSERVATION is 23-7291856.
- Is AMERICAN INSTITUTE FOR CONSERVATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1973.
- Are donations to AMERICAN INSTITUTE FOR CONSERVATION tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does AMERICAN INSTITUTE FOR CONSERVATION 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 INSTITUTE FOR CONSERVATION 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 INSTITUTE FOR CONSERVATION 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 INSTITUTE FOR CONSERVATION?
- The 990 for the year ended December 31, 2025 names LISSA ROSENTHAL-YOFFE.
- Who are the officers and directors of AMERICAN INSTITUTE FOR CONSERVATION?
- The 990 for the year ended December 31, 2025 lists 11 people; 2 received compensation from the organization, the highest $148,084 (LISSA ROSENTHAL-YOFFE, EXECUTIVE DIRECTOR).
- How much revenue does AMERICAN INSTITUTE FOR CONSERVATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,557,757, expenses of $1,548,488 and total assets of $1,687,922 at year end.
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