John S. Dunn Foundation is an independent non-profit foundation based in Houston, Texas. Established in 1977 by John S. Dunn, the foundation's focus is supporting healthcare clinics for the underserved, mental health programs, medical research, and healthcare education. The assets are managed by the Board of Trustees.John S. Dunn Foundation's investment portfolio is valued at $78.91 million, with investments in domestic and international equity, fixed income, real estate, hedge funds, private equity, and cash.