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Person · officer / director

John S Lizzadro JR

Assistant Treasurer · Gratiot Lake Conservancy

Assistant Treasurer at Gratiot Lake Conservancy. Listed as an officer, director, or key employee across 3 organizations on the Form 990 record.

This is me
Organizations
3
Roles reported
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 Assistant Treasurer of Gratiot Lake Conservancy, based in Oak Brook, IL.
●
Also listed as Vice President of Joseph Lizzadro Family Foundation, uncompensated.
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Also listed as Vice Preside of Lizzadro Museum of Lapidary Arts, uncompensated.
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.

J
Joseph Lizzadro Family Foundation Vice President · $478K revenue · Oak Brook, ILFiled FY2025, FY2024 · Source: Form 990, Part VII
Lizzadro Museum of Lapidary Arts Vice Preside · $662K revenue · Oak Brook, ILTHE LIZZADRO MUSEUM OF LAPIDARY ART'S PRIMARY EXEMPT PURPOSE IS TO OPERATE A MUSEUM OF ART FOR THE COLLECTION, CARE, STUDY, AND EXHIBITION OF…Filed FY2025 · Source: Form 990, Part VII
Gratiot Lake Conservancy Assistant Treasurer · $940K revenue · Oak Brook, ILFiled FY2024 · Source: Form 990, Part VII

Network

Serves alongside

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

D
President & · FY2025
J
Previous Pre · FY2025
L
Treasurer · FY2025
W
Assistant Tr · FY2025
C
Secretary · FY2025
J
Previous Sec · FY2025
D
Executive Di · FY2025
B
Director · FY2025
D
Director · FY2025
G
Director · FY2025
J
Director · FY2025
M
Director · FY2025

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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