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Person · officer / director

Mark Seidel

Treasurer · Greek Orthodox Christian Brotherhood of St Poimen

Treasurer at Greek Orthodox Christian Brotherhood of St Poimen. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.

This is me
Ambiguous identity This name matches 3 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
1
Roles reported
1
Others who share this name
3

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 Treasurer of Greek Orthodox Christian Brotherhood of St Poimen, based in Florence, AZ.
Facts extracted directly from each organization's Form 990, Part VII.
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Affiliations

Organizations

Greek Orthodox Christian Brotherhood of St Poimen Treasurer · Florence, AZThe Greek Orthodox Christian Brotherhood of Saint Poimen is dedicated to supporting religious education and philanthropy. We seek to provide…Filed FY2025 · Source: Form 990, Part VII

Disambiguation

Other people named Mark Seidel

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.

M
Mark Seidel 1 organization · Elyria, OHLorain County Community College Foundation
M
Mark Seidel 1 organization · Valley Farms, AZFriends of the Orthodox Christian Monastic Sisterhood of Quebec
M
Mark Seidel 1 organization · Florence, AZThree Hierarchs Academy INC

Network

Serves alongside

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

P
President · FY2025
G
Vice President · FY2025
E
Director · FY2025

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