Intersex Society of North America
The Intersex Society of North America (ISNA) was a non-profit advocacy group founded in 1993 by Cheryl Chase to end shame, secrecy, and unnecessary genital surgeries on intersex people. Other notable members included Morgan Holmes, Max Beck, Howard (Tiger) Devore, Esther Morris Leidolf and Alice Dreger.
Source: Wikipedia — Intersex Society of North America (CC BY-SA 4.0)