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Person · officer / director

William Leffler

Committee Chair · Rotary Club of Massillon

Committee Chair at Rotary Club of Massillon. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

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
2
Roles reported
2
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 Committee Chair of Rotary Club of Massillon, based in Massillon, OH.
●
Also listed as Vice Chair of Health Foundation of Greater Massillon, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography In progress
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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.

Health Foundation of Greater Massillon Vice Chair · $504K revenue · Canton, OHTHE FOUNDATION OPERATES EXCLUSIVELY FOR THE BENEFIT OF, TO PERFORM THE FUNCTION OF, AND TO CARRY OUT THE PURPOSE OF STARK COMMUNITY FOUNDATION.Filed FY2024, FY2023 · Source: Form 990, Part VII
Rotary Club of Massillon Committee Chair · $32K revenue · Massillon, OHFiled FY2019 · Source: Form 990, Part VII

Disambiguation

Other people named William Leffler

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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William Leffler 1 organization · Atlanta, GAReal Estate Investment Advisory Council
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William Leffler 1 organization · Utica, OH10753 Utica Sertoma Club
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William Leffler 1 organization · Philadelphia, PAThe Delaware Valley Legacy Fund

Network

Serves alongside

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

R
Treasurer · FY2019
$1K
T
Secretary · FY2019
$1K
R
Chair · FY2024
L
Treasurer · FY2024
T
Secretary · FY2024
B
Board Member · FY2024
J
Board Member · FY2024
C
Board Member · FY2024
J
Board Member · FY2024
J
Board Member · FY2024
H
Board Member · FY2024
J
Board Member · FY2024

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