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AS
Person · officer / director

Aco Sikoski

Director · Valparaiso YMCA

Director at Valparaiso YMCA. Listed as an officer, director, or key employee across 6 organizations on the Form 990 record.

This is me
Ambiguous identity This name matches 2 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
6
Roles reported
6
Others who share this name
2

Who this is

Profile

The filed facts are verified from the IRS filings. The biography is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as Director of Valparaiso YMCA, based in Valparaiso, IN.
●
Also listed as Board Member of Portage Economic Development Corporation, uncompensated.
●
Also listed as Board of Dir of Northwest Indiana Business Roundtable, 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.

Valparaiso YMCA Director · $7.8M revenue · Valparaiso, INSEE SCHEDULE O FOR THE DETAILED MISSION DESCRIPTION.Filed FY2025, FY2024, FY2023 · Source: Form 990, Part VII
Portage Economic Development Corporation Board Member · $119K revenue · Portage, INPEDCO SERVES AS A MARKETER/PROMOTER FOR PORTAGE, INDIANA TO OUTSIDE BUSINESSES AND AS A PARTNER IN STRENGTHENING EXISTING BUSINESSES. THROUGH…Filed FY2025, FY2024, FY2023, FY2022, FY2021 · Source: Form 990, Part VII
Northwest Indiana Business Roundtable Board of Dir · $141K revenue · Crown Point, INNORTHWEST INDIANA BUSINESS ROUNDTABLE IS COMMITTED TO THE IMPROVEMENT OF CONSTRUCTION AND MAINTENANCE PROJECTS IN NORTHWEST INDIANA. ITS PURPOSE IS…Filed FY2025, FY2024, FY2023, FY2022 · Source: Form 990, Part VII
V
Valparaiso Rotary Club Memorial Foundation INC Secretary · $85K revenue · Valparaiso, INFiled FY2025, FY2024 · Source: Form 990, Part VII
Greater Valparaiso Chamber of Commerce Board Member · $1.2M revenue · Valparaiso, INTO ASSIST BUSINESSES IN THE GREATER VALPARAISO AREA.Filed FY2024, FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII
V
Valparaiso Rotary Club Director · $54K revenue · Valparaiso, INFiled FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named Aco Sikoski

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.

A
Aco Sikoski 1 organization · Michigan City, INMichigan City Area Chamber of Commerce INC
A
Aco Sikoski 1 organization · Valparaiso, INOur Greater Good Incorporated

Network

Serves alongside

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

B
CEO · FY2021
$186K
S
CEO · FY2025
$169K
R
President · FY2024
$145K
A
Executive Di · FY2025
$105K
Z
Director of Finance · FY2021
$59K
M
Director of Finance (outgoing) · FY2023
$58K
R
Director of Finance - Incoming · FY2025
$35K
S
Director of Finance - Outgoing · FY2025
$30K
M
President · FY2025
B
Treasuere · FY2025
D
Board Member · FY2025
D
Board Member · 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