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Person · officer / director

Diane Sosne

Director (to May 2022) · Seiu Initiative Fund

Director (to May 2022) at Seiu Initiative Fund. Listed as an officer, director, or key employee across 3 organizations on the Form 990 record.

This is me
Ambiguous identity This name matches 2 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
3
Roles reported
3
Others who share this name
2

Who this is

Profile

Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as Director (to May 2022) of Seiu Initiative Fund, based in Seattle, WA.
●
Also listed as Director of Service Employees International Union, uncompensated.
●
Also listed as Vice President - Past of Service Employees International Union, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
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We're building a sourced biography for every person — from filings, news, and public records, citing where each fact comes from. Person-name searches are our single largest source of demand, so this is what we're shipping next.

Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

S
Seiu Initiative Fund Director (to May 2022) · $175K revenue · Seattle, WATHE OBJECTIVES OF THE FUND SHALL BE TO PROMOTE SOCIAL WELFARE BY ADVOCATING FOR THE PASSAGE OR DEFEAT OF WASHINGTON STATE BALLOT INITIATIVES, AS WELL…Filed FY2022 · Source: Form 990, Part VII
S
Service Employees International Union Director · $813K revenue · Seattle, WASEIU WASHINGTON STATE COUNCIL (THE COUNCIL) WAS ESTABLISHED TO UNITE ALL LOCAL UNIONS OF THE COUNCIL FOR THEIR MUTUAL AID AND PROTECTION, TO ASSIST…Filed FY2022, FY2021 · Source: Form 990, Part VII
Service Employees International Union Vice President - Past · $254.2M revenue · Washington, DCBargain collectively with employers to secure better working conditions, wages, and benefits for workers.Filed FY2022 · Source: Form 990, Part VII

Disambiguation

Other people named Diane Sosne

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

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Diane Sosne 3 organizations · Renton, WA, Tukwila, WA…Seiu Healthcare 1199nw Multi-Employer Training & Educatio
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Diane Sosne 1 organization · New York, NYH-Cap INC

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

A
Intern. President-Eff. 05/24 · FY2024
$278K
M
International President · FY2022
$272K
A
International Sec-Treas · FY2024
$249K
N
Chief of Staff · FY2024
$238K
S
General Counsel · FY2024
$227K
J
Executive Vice President · FY2024
$226K
N
Executive Vice President · FY2024
$226K
H
Executive Vice President · FY2024
$226K
L
Executive Vice President · FY2024
$226K
B
National Organizing Director · FY2024
$222K
W
Chief of Staff - Past · FY2023
$219K
D
Chief of Staff · FY2022
$216K

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org