Esther Morris Leidolf is an American medical sociologist, and author of NOT UNCOMMON, Just Unheard of. An intersex activist, writer, and the founder of the MRKH Organization, Leidolf was the board secretary for the Intersex Society of North America.
Leidolf is a US-based medical sociologist with a background in public health data management, writer, the founder of the MRKH Organization, and was the board secretary for the now-defunct Intersex Society of North America. In roles with ISNA and MRKH Organization, Leidolf spoke at conferences and events, including the LGBTI Health Summit. Works include The Missing Vagina Monologue. Leidolf has stated,
Alongside other activists, Leidolf was critical of a 2006 shift in clinical language from intersex to disorders of sex development. Leidolf also appears in the award-winning 2012 documentary Intersexion.