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Building Community

Creating Hope for Harel-Yoon Syndrome

Advancing Research

Hummingbird illustration with "ATAD3A Patient Advocacy Alliance"

Resources for Physicians

This organization is organized exclusively for charitable, educational and scientific purposes under section 501(c)(3) of the Internal Revenue Code, or corresponding section of any future federal tax code. Our Employee Identification Number (EIN) is 39-2212699.

Our website and related activities are led by volunteers to support other people with ATAD3A mutations/Harel-Yoon Syndrome and their caregivers. The information we provide is for general informational and educational purposes and is not a substitute for professional medical advice. We are not formally affiliated with any medical or research body, and all our information is based on our own understanding of the research and our own experiences.

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