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US nonprofit · EIN 520805471 · Washington, DCiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 520805471) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990 for the year to 30 June 2025: assets, liabilities, staff, website, telephone, pay.Finances by year IRS Form 990 e-file data - total revenue and total expenses by tax year.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.State registers Colorado Secretary of State (17 October 2026).Licence US Federal Government public domain.How we handle data

Marine Technology Society Inc

Donations deductible
Revenue
$6.1m
year to 30 June 2025
Expenses
$5.2m
year to 30 June 2025
Total assets
$10.4m
$1.2m liabilities
Net assets
$9.2m
assets less liabilities
Directors and trustees
14
3.3y av
Staff
12
175 volunteers
Left since last filing
4
29% of the board
Officers and senior staff
8
named in Part VII
How am I connected?

Marine Technology Society Inc's network

14 people1 organisationi14 people and 1 organisation on this map.The large node is the subject of this page. Solid lines are what the register itself records (14). Violet dotted lines (1) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.

The board

14 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations in the tables. The network map shows same-name matches as likely links only, never as confirmed.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record. The organisation reported 12 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
David GoldenVP of MATE2024
2 yrs
Debbi KillVP of Budget and Finance2022
4 yrs
Gerhard Kuska Began 112025President Elect2025
1 yr
Hannah Toerner Began 112025VP of ECOPs2025
1 yr
Jerry MillerVP of Government and Public Affairs2020
6 yrs
Jim HanlonVP of Research and Technology2021
5 yrs
Josh KohutVP of Education2020
6 yrs
Justin ManleyPast President2021
5 yrs
Katharine WeathersVP of Section Affairs2023
3 yrs
Richard Crout Ended 123124VP of Section Affairs2025
1 yr
Steve HallVP of Publications & Communications2025
1 yr
Susan HuntPresident2023
3 yrs
William Brennan Began 62724VP of Ocean Exchange2025
1 yr
Zdenka Willis Ended 123124Past President2025
1 yr
Under 5 years5 to 6 years6 years or moreShow all 14 →

Officers and senior leadership

8 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
Christopher OstranderChief Executive Officersince 2023
Claire IdellSr. Dir, Engagement/Member Relations2025
Jill ZandeMATE Executive Director2025
Kathleen HerndonExecutive Dir.since 2020
Kathleen Herndon 1119-CurrExecutive Dir.2019
Kevin Traver Thru 52018Former Exec Dirsince 2018
Kevyan Ann Sly 9118-123118Deputy Exec Dirsince 2018
Kristina NormanSr. Director of Operations & Eventssince 2021

Pay and hours

year to 30 June 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Chris OstranderChief Executive Officer40$295k$43k
Jill ZandeMATE Executive Director40$159k$10k
Kristina NormanSr. Director of Operations & Events40$129k$8k
Claire IdellSr. Dir, Engagement/Member Relations40$116k$32k
Susan HuntPresident1$0
Gerhard Kuska began 112025President Elect1$0
Justin ManleyPast President1$0
Jerry MillerVP of Government and Public Affairs1$0
Josh KohutVP of Education1$0
Debbi KillVP of Budget and Finance1$0
Katharine WeathersVP of Section Affairs1$0
Steve HallVP of Publications & Communications1$0
David GoldenVP of MATE1$0
Hannah Toerner began 112025VP of ECOPs1$0
Jim HanlonVP of Research and Technology1$0
William Brennan began 62724VP of Ocean Exchange1$0
Zdenka Willis ended 123124Past President1$0
Richard Crout ended 123124VP of Section Affairs1$0

Colorado roster

16 listediOfficers, directors and trustees from the latest filing with the Colorado Secretary of State (document 20253004143). Titles are as filed; some entries are registered agents or custodians of records rather than board members. Source: data.colorado.gov, public domain.
NameTitle as filed
Susan HuntPresident-Elect
David GoldenVice President of Mate
Jerry MillerVP of Government and Public Affairs
Katharine WeathersVP of Ecop
Kristina J. NormanSenior Director Events & Operations
Christopher Ostrander
Steve HallVice President of Communications
Christopher OstranderChief Executive Officer
Susan HuntPresident
Liesl HotalingVP of Publications and Communications
Justin ManleyPresident
Zdenka WillisPast-President
Richard CroutVP of Section Affairs
Debbi A. KillVP of Budget and Finance, Treasurer
Josh KohutVP of Education
Jim HanlonVP of Research, Industry and Technology

About

Legal name
Marine Technology Society Inc
EIN
520805471
Address
1 Thomas Cir Nw Ste 700, Washington, DC, 20005-5802
State
District of Columbia
Mission
Facilitate a broader understanding of the relevance of marine technology to wider global issues by enhancing the dissemination of marine technology information. Promote and improve marine technology and related educational programs. Advance the development of the tools and procedures required to explore, study and further the responsible and sustainable use of the oceans. (as filed on the Form 990)
Activity (NTEE)
U21Z Science and technology research
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Science & Technology
Size band
8 (IRS master file code)
Formed
1963
Principal officer
Chris Ostrander (as named on the Form 990)
IRS ruling date
1 August 1969
Status
Code 01 (unconditional exemption)
Form 990 filings on record
8, latest 2025
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥6years on the filingsJerry Miller
≥6years on the filingsJosh Kohut
≥5years on the filingsJim Hanlon
≥5years on the filingsJustin Manley

Latest return

year to 30 June 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 30 June 2025. US dollars, as filed.
Total assets
$10.4m
Total liabilities
$1.2m
Net assets or fund balances
$9.2m
Contributions and grants received
$3m
Program service revenue
$2.1m
Grants and similar paid out
$428k
Employees
12
Volunteers
175

Filed finances

2 yearsiTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$6.1m$5.2m$974k
2023$5.4m$4.7m$670k

As filed on the IRS Form 990. US dollars.