Chung-Jansen Syndrome Foundation for Families 4431 N Calle LlanuraTucson, AZ, USA 908-493-8023 [email protected] https://www.chung-jansen.org/ About Chung-Jansen Syndrome Foundation for Families Our mission is to empower families through education, connection, and compassion, while supporting science and awareness around Chung‑Jansen Syndrome.