Kimberly M. Zieselman is an intersex woman, lawyer and human rights advocate based in the United States with more than 25 years of experience in nonprofit leadership and advocacy. 

She served as the executive director of interACT: Advocates for Intersex Youth, the premier intersex policy organization in the United States and on the board of directors for InterConnect. 

Kimberly is a leader in the field of intersex human rights and participated as an expert consultant to the UN Office of the High Commissioner for Human Rights in Geneva in 2015 and was an official signatory to the historic Yogyakarta Principles +10 in 2017.

She guided internationally renowned fashion model Hanne Gaby Odiele on her historic coming out as intersex, and consulted on the development and storyline of the first-ever recurring intersex character on Television for Faking it on MTV. 

Kimberly regularly consults and speaks on intersex policy, representation and inclusion in legal, healthcare and corporate settings as well as entertainment media, and has been published and quoted in numerous outlets including, New York Times, USA Today Washington Post, BBC, Washington Blade, CNN, The Advocate, CNN, and Vogue.

In 2020, Kimberly published XOXY, an award winning memoir sharing her personal and professional intersex journey.