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US nonprofit · EIN 862536664 · Berkeley, CAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 862536664) - 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 31 December 2024: assets, liabilities, staff, website, telephone, pay, grants paid (Schedule I).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.Licence US Federal Government public domain.How we handle data

Open Molecular Software Foundation

Donations deductible
Revenue
$5.4m
year to 31 December 2024
Expenses
$5.3m
year to 31 December 2024
Total assets
$3.5m
$2.3m liabilities
Net assets
$1.2m
assets less liabilities
Directors and trustees
5
4.6y av
Staff
17
46 volunteers
Left since last filing
0
no seats appear to have opened
Officers and senior staff
5
named in Part VII
How am I connected?

Open Molecular Software Foundation's network

5 people1 organisationi5 people and 1 organisation on this map.The large node is the subject of this page. Solid lines are what the register itself records (5). 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

5 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 5 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
Brian WeitznerDirector2022
4 yrs
Clara ChristDirector2022
4 yrs
David MobleyPresident2021
5 yrs
Jeffrey GrayDirector2023
3 yrs
Karmen Condic-JurkicSec/Treas/ED2021
5 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

5 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
David SwensonSoftware Scisince 2022
Jeffrey WagnerSoftware Scisince 2022
Karmen Condic-JurkicSec/Treas, Esince 2022
Matt ThompsonSoftware Sci2023
Richard GowersSoftware Sci2022

Pay and hours

year to 31 December 2024iFrom 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
Marcus WiederML Scientist40$208k
Julia KoehlerProject Director40$176k$10k
Irfan AlibaySoftware Scientist40$145k
Jennifer WeiSoftware Scientist40$140k$9k
David SwensonSoftware Scientist40$133k$10k
Karmen Condic-JurkicSec/Treas/ED40$47k$55k
David MobleyPresident2$0
Brian WeitznerDirector0.5$0
Clara ChristDirector0.2$0
Jeffrey GrayDirector0.2$0

About

Legal name
Open Molecular Software Foundation
EIN
862536664
Address
833 Bancroft Way, Berkeley, CA, 94710-2235
State
California
Mission
OMSF's mission is to advance the molecular sciences through the development of high-quality, open-source tools for molecular modeling and facilitating collaboration between industry and academia. (as filed on the Form 990)
Activity (NTEE)
U99 Science and technology research
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Science & Technology
Size band
6 (IRS master file code)
Formed
2021
Principal officer
David Mobley (as named on the Form 990)
IRS ruling date
1 June 2022
Status
Code 01 (unconditional exemption)
Form 990 filings on record
4, latest 2024
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥5years on the filingsDavid Mobley
≥5years on the filingsKarmen Condic-Jurkic
≥4years on the filingsBrian Weitzner
≥4years on the filingsClara Christ

Latest return

year to 31 December 2024iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2024. US dollars, as filed.
Total assets
$3.5m
Total liabilities
$2.3m
Net assets or fund balances
$1.2m
Contributions and grants received
$3.7m
Program service revenue
$1.8m
Grants and similar paid out
$1m
Employees
17
Volunteers
46

Filed finances

1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.
Tax yearTotal revenueTotal expensesSurplus or deficit
2024$5.4m$5.3m$150k

As filed on the IRS Form 990. US dollars.

Grants paid

4 listediFrom Schedule I of the Form 990: grants and assistance to organisations in the United States, largest first (up to 25). Schedule I is filed only by organisations that gave more than $5,000 to any one recipient.
RecipientPurposeAmount
Rosetta Commons FoundationSoftware Platform Development$863k
UC Irvine$35k
Johns Hopkins University$33k
Arizona State UniversityOpen Source Ecosystem Development$7k