Person · officer / director

Aco Sikoski

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

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

Roles reported

Others who share this name

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 Director of Valparaiso YMCA, based in Valparaiso, IN.

●

Also listed as Director of Valparaiso Rotary Club, uncompensated.

●

Also listed as Board Member of Greater Valparaiso Chamber of Commerce, 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

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

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.

Aco Sikoski 1 organization · Michigan City, INMichigan City Area Chamber of Commerce INC

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.

Bob Wanek

CEO · FY2021

$186K

Sharon Johnson

CEO · FY2025

$169K

Rex Richards

President · FY2024

$145K

Andy Maletta

Executive Di · FY2025

$105K

Zach Wagner

Director of Finance · FY2021

$59K

Mark Gilbota

Director of Finance (outgoing) · FY2023

$58K

Ryan Gish

Director of Finance - Incoming · FY2025

$35K

Scott Bordui

Director of Finance - Outgoing · FY2025

$30K

Martin Sonnenberg

President · FY2025

Barbara Regnitz

Treasuere · FY2025

Deborah Pressel

Board Member · FY2025

Doug Mogck

Board Member · FY2025

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

Loading…

Explore

Similar organizations

Nonprofits working in the same field — explore who else operates in this space.

YMCA of San Diego County$371.8M revenue · San Diego, CA

Young Mens Christian Association of Greater New York$241.4M revenue · New York, NY

National Council of Young Mens Christian Assns of the USA$198.4M revenue · Chicago, IL

Young Mens Christian Association of the North$173.8M revenue · Minneapolis, MN

The Young Men's Christian Association of the Triangle Area INC (4598)$138.9M revenue · Raleigh, NC

The Young Men's Christian Association of Greater Seattle (6871)$137.8M revenue · Seattle, WA

People like this

Similar leaders

Leaders at organizations in the same field, by reported compensation.

Dr David a Jordan Dha

President · Seven Hills Foundation INC

$7.8M

Dr David Jordan Dha

President · Seven Hills Foundation INC

$7.8M

Jain MD Sachin H

President & CEO · Scan Group

$4.0M

Gerald Nebeker

Pres& Board Mem · Rise INC

$3.3M

William P Conaboy Esq.

Treasurer/President/CEO · Allied Health Care Services

$2.6M

Jill Wilson

President/CEO · Otterbein Homes

$2.6M