Treasurer at 350 Wisconsin Action INC. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.
Ambiguous identityThis name matches 1 other individual 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
2
Roles reported
2
Others who share this name
1
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.
Facts extracted directly from each organization's Form 990, Part VII.
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Affiliations
Organizations
Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.
350 Wisconsin Action INCTreasurer · $83K revenue · Madison, WI350 Wisconsin Action mobilizes concerned climate voters to push for bold climate action from government and elected officials. We keep the climate…Filed FY2023 · Source: Form 990, Part VII
3
350 Wisconsin INCTreasurer · $231K revenue · Madison, WI350 Madison mobilizes people to take action on climate change and demand a rapid transition to a just and sustainable world powered by clean,…Filed FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII
Disambiguation
Other people named William Backes
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.
W
William Backes1 organization · Milwaukee, WIWisconsin Alliance for Retired Americans INC
Network
Serves alongside
Other officers, directors & key employees at this person's organizations, by latest reported compensation.
President & CEO · Alliance to End Plastic Waste INC
$1.4M
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
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