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Person · officer / director

Sarah Mack

Member · Missouri Slope Areawide United Way INC

Member at Missouri Slope Areawide United Way INC. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

Ambiguous identity This name matches 5 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
5

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 Member of Missouri Slope Areawide United Way INC, based in Bismarck, ND.
●
Also listed as 23-25 Secret of Missouri Valley Montessori School INC, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography In progress
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.

Missouri Slope Areawide United Way INC Member · $2.5M revenue · Bismarck, NDWE UNITE PEOPLE AND RESOURCES TO BUILD A BETTER COMMUNITY.Filed FY2024 · Source: Form 990, Part VII
Missouri Valley Montessori School INC 23-25 Secret · $768K revenue · Bismarck, NDPROVIDING A MONTESSORI SCHOOL EDUCATIONAL PROGRAM FOR PRE-SCHOOL CHILDREN.Filed FY2024 · Source: Form 990, Part VII

Disambiguation

Other people named Sarah Mack

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.

S
Sarah Mack 2 organizations · Fort Myers, FLRotary International Ft Myers
S
Sarah Mack 1 organization · Mercer Island, WAHarkovy-Mack Family Foundation
S
Sarah Mack 1 organization · Sarasota, FLCoastal Resources Group INC
S
Sarah Mack 1 organization · Lockport, NYMental Health Association in Niagara County INC
S
Sarah Mack 1 organization · Lafitte, LATierra International Foundation

Network

Serves alongside

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

J
Executive Director · FY2024
$138K
B
Executive Di · FY2024
$62K
C
Executive Di · FY2019
$45K
T
Executive Di · FY2021
$41K
L
2024 VP 2025 · FY2024
H
23-24 Bod 20 · FY2024
T
24-25 Treasu · FY2024
M
2024 Pres · FY2024
S
24-25 Direct · FY2024
S
24-25 Direct · FY2024
J
2025 Directo · FY2024
A
2023 Preside · FY2023

Network

Recommendations

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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