Marie & Mayer Winkler Peter C & Helen D Johannes Foundation

Clayton, Missouri, United StatesUS376528633Philanthropic intermediaries and voluntarism promotion

LocationClayton, Missouri, United States

RegisterUS376528633

CategoryGrant-making & philanthropy

Last updated12 Jul 2026

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About Marie & Mayer Winkler Peter C & Helen D Johannes Foundation

No description available yet.

Areas of focus

Cause

Philanthropic intermediaries and voluntarism promotion

Registration

Country

United States

Reg. number

US376528633

Status

Registered

Data from the official register — IRS (Exempt Organizations), last updated 12 Jul 2026.

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