Person · officer / director

Mark Riordan

Director (res. 8/20) · Tree House of Greater St Louis

Director (res. 8/20) at Tree House of Greater St Louis. 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

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

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Reported as Director (res. 8/20) of Tree House of Greater St Louis, based in Wentzville, MO.

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Also listed as Director of Sts Joachim and Ann Care Service, 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.

Sts Joachim and Ann Care Service Director · $4.1M revenue · St Charles, MOTO PROVIDE INTEGRATED SERVICES SUCH AS FINANCIAL ASSISTANCE, CASE MANAGEMENT, AND REFERRALS TO FAMILIES AND INDIVIDUALS OF ALL AGES TO REDUCE THE…Filed FY2023, FY2022 · Source: Form 990, Part VII

Tree House of Greater St Louis Director (res. 8/20) · $686K revenue · Wentzville, MOTO IMPROVE THE LIVES OF INDIVIDUALS WITH DISABILITIES AND THEIR FAMILIES THROUGH THERAPY, RECREATION, EDUCATION, AND EXPLORATION.Filed FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named Mark Riordan

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.

Mark Riordan 1 organization · New Cumberland, PAHarrisburg Bicycle Club Incorporated

Mark Riordan 1 organization · St Louis, MOThe Center for Head Injury Services INC

Mark Riordan 1 organization · St Charles, MOBirthright of St Charles INC

Mark Riordan 1 organization · Dallas, TXNorth Dallas Chamber of Commerce

Mark Riordan 1 organization · Dallas, TXTexas Scottish Rite Hospital for Crippled Children

Network

Serves alongside

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

Nathan Harms

Executive Director · FY2024

$101K

Pamela Struckhoff

Executive Di · FY2025

$96K

Rev Chuck Barthel

Pastor · FY2025

Henry Hank Clever

President · FY2025

Joseph a Kahn

Vice - Presi · FY2025

Secretary · FY2025

Treasurer · FY2025

Director · FY2025

Director · FY2025

Director · FY2025

Director · FY2025

Director · FY2025

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